312131113132201 has 16 divisors (see below), whose sum is σ = 345164034466368. Its totient is φ = 279897182675200.

The previous prime is 312131113132133. The next prime is 312131113132213. The reversal of 312131113132201 is 102231311131213.

It is a cyclic number.

It is not a de Polignac number, because 312131113132201 - 2⁹ = 312131113131689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312131113132001) 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, 568807540 + ... + 569356021.

It is an arithmetic number, because the mean of its divisors is an integer number (21572752154148).

Almost surely, 2^{312131113132201} is an apocalyptic number.

It is an amenable number.

312131113132201 is a deficient number, since it is larger than the sum of its proper divisors (33032921334167).

312131113132201 is a wasteful number, since it uses less digits than its factorization.

312131113132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138163912.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 312131113132201 its reverse (102231311131213), we get a palindrome (414362424263414).

The spelling of 312131113132201 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred one".