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31441203142311 = 317790178027361
BaseRepresentation
bin1110010011000011110011…
…01111101001111010100111
311010022202020111200001102210
413021201321233221322213
513110113041001023221
6150511520032134503
76423360216103464
oct711417157517247
9133282214601383
1031441203142311
11a022159559a76
123639623397433
131470b7b4501b1
147a9a95c7066b
15397cd037c276
hex1c9879be9ea7

31441203142311 has 16 divisors (see below), whose sum is σ = 44393199445728. Its totient is φ = 19725316608000.

The previous prime is 31441203142309. The next prime is 31441203142337. The reversal of 31441203142311 is 11324130214413.

It is not a de Polignac number, because 31441203142311 - 21 = 31441203142309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441203140311) 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, 38610730 + ... + 39416631.

It is an arithmetic number, because the mean of its divisors is an integer number (2774574965358).

Almost surely, 231441203142311 is an apocalyptic number.

31441203142311 is a deficient number, since it is larger than the sum of its proper divisors (12951996303417).

31441203142311 is a wasteful number, since it uses less digits than its factorization.

31441203142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78035282.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31441203142311 its reverse (11324130214413), we get a palindrome (42765333356724).

The spelling of 31441203142311 in words is "thirty-one trillion, four hundred forty-one billion, two hundred three million, one hundred forty-two thousand, three hundred eleven".

Divisors: 1 3 17 51 7901 23703 134317 402951 78027361 234082083 1326465137 3979395411 616494179261 1849482537783 10480401047437 31441203142311