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31001341313444 = 2216781157224653
BaseRepresentation
bin1110000110010000011111…
…11011111100000110100100
311001202200212210000222002212
413003020033323330012210
513030411221334012234
6145533453010422552
76346526065204115
oct703101773740644
9131680783028085
1031001341313444
11997265aa71657
123588326591a58
13143b54c579388
147926899ca20c
1538b6391915ce
hex1c320fefc1a4

31001341313444 has 24 divisors (see below), whose sum is σ = 54644508800448. Its totient is φ = 15388853415840.

The previous prime is 31001341313377. The next prime is 31001341313489. The reversal of 31001341313444 is 44431314310013.

It is a super-2 number, since 2×310013413134442 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31001341313444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28070579 + ... + 29154074.

It is an arithmetic number, because the mean of its divisors is an integer number (2276854533352).

Almost surely, 231001341313444 is an apocalyptic number.

It is an amenable number.

31001341313444 is a deficient number, since it is larger than the sum of its proper divisors (23643167487004).

31001341313444 is a wasteful number, since it uses less digits than its factorization.

31001341313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57225635 (or 57225633 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31001341313444 its reverse (44431314310013), we get a palindrome (75432655623457).

The spelling of 31001341313444 in words is "thirty-one trillion, one billion, three hundred forty-one million, three hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 4 167 334 668 811 1622 3244 135437 270874 541748 57224653 114449306 228898612 9556517051 19113034102 38226068204 46409193583 92818387166 185636774332 7750335328361 15500670656722 31001341313444