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3131310110012 = 227599186698671
BaseRepresentation
bin101101100100010000101…
…000000111010100111100
3102002100110101102000010222
4231210100220013110330
5402300410342010022
610354300510520512
7442141532530130
oct55442050072474
912070411360128
103131310110012
11aa7a87a18957
12426a51506138
13199386c6c356
14ab7b03953c0
15566bc5e3242
hex2d910a0753c

3131310110012 has 24 divisors (see below), whose sum is σ = 6273075379200. Its totient is φ = 1339749655920.

The previous prime is 3131310110011. The next prime is 3131310110023. The reversal of 3131310110012 is 2100110131313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131310110011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93332564 + ... + 93366107.

It is an arithmetic number, because the mean of its divisors is an integer number (261378140800).

Almost surely, 23131310110012 is an apocalyptic number.

It is an amenable number.

3131310110012 is an abundant number, since it is smaller than the sum of its proper divisors (3141765269188).

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

3131310110012 is a wasteful number, since it uses less digits than its factorization.

3131310110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186699281 (or 186699279 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 3131310110012 its reverse (2100110131313), we get a palindrome (5231420241325).

The spelling of 3131310110012 in words is "three trillion, one hundred thirty-one billion, three hundred ten million, one hundred ten thousand, twelve".

Divisors: 1 2 4 7 14 28 599 1198 2396 4193 8386 16772 186698671 373397342 746794684 1306890697 2613781394 5227562788 111832503929 223665007858 447330015716 782827527503 1565655055006 3131310110012