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3131213012132 = 221367572643199
BaseRepresentation
bin101101100100001010110…
…101101101110010100100
3102002100012121200220220012
4231210022311231302210
5402300211012342012
610354243121425352
7442136243313002
oct55441265556244
912070177626805
103131213012132
11aa7a38129877
12426a24a9b258
1319936cb0379a
14ab7a151ba72
15566b3d13622
hex2d90ad6dca4

3131213012132 has 12 divisors (see below), whose sum is σ = 5483631283200. Its totient is φ = 1564461216936.

The previous prime is 3131213012101. The next prime is 3131213012167. The reversal of 3131213012132 is 2312103121313.

3131213012132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3131213012098 and 3131213012107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286316132 + ... + 286327067.

It is an arithmetic number, because the mean of its divisors is an integer number (456969273600).

Almost surely, 23131213012132 is an apocalyptic number.

It is an amenable number.

3131213012132 is a deficient number, since it is larger than the sum of its proper divisors (2352418271068).

3131213012132 is a wasteful number, since it uses less digits than its factorization.

3131213012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572644570 (or 572644568 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3131213012132 its reverse (2312103121313), we get a palindrome (5443316133445).

The spelling of 3131213012132 in words is "three trillion, one hundred thirty-one billion, two hundred thirteen million, twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 1367 2734 5468 572643199 1145286398 2290572796 782803253033 1565606506066 3131213012132