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313111304012444 = 227173717778293437
BaseRepresentation
bin100011100110001011110100…
…0000011010000001010011100
31112001122011000010120210021212
41013030113220003100022130
5312020003422311344234
63025533203004043552
7122644355000653460
oct10714275003201234
91461564003523255
10313111304012444
1190848838358163
122b14b09a2335b8
131059336679b512
14574694ccc84a0
15262eb248225ce
hex11cc5e80d029c

313111304012444 has 48 divisors (see below), whose sum is σ = 680979751849152. Its totient is φ = 122883564229632.

The previous prime is 313111304012399. The next prime is 313111304012447. The reversal of 313111304012444 is 444210403111313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 313111304012444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111304012447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8889129107 + ... + 8889164330.

It is an arithmetic number, because the mean of its divisors is an integer number (14187078163524).

Almost surely, 2313111304012444 is an apocalyptic number.

313111304012444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

313111304012444 is an abundant number, since it is smaller than the sum of its proper divisors (367868447836708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313111304012444 is a wasteful number, since it uses less digits than its factorization.

313111304012444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778293502 (or 17778293500 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 313111304012444 its reverse (444210403111313), we get a palindrome (757321707123757).

The spelling of 313111304012444 in words is "three hundred thirteen trillion, one hundred eleven billion, three hundred four million, twelve thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 17 28 34 37 68 74 119 148 238 259 476 518 629 1036 1258 2516 4403 8806 17612 17778293437 35556586874 71113173748 124448054059 248896108118 302230988429 497792216236 604461976858 657796857169 1208923953716 1315593714338 2115616919003 2631187428676 4231233838006 4604578000183 8462467676012 9209156000366 11182546571873 18418312000732 22365093143746 44730186287492 78277826003111 156555652006222 313111304012444