31311300213201 has 48 divisors (see below), whose sum is σ = 42967841985600. Its totient is φ = 20277194610816.

The previous prime is 31311300213173. The next prime is 31311300213269. The reversal of 31311300213201 is 10231200311313.

It is a happy number.

It is not a de Polignac number, because 31311300213201 - 2¹⁰ = 31311300212177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31311300213601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1039916535 + ... + 1039946643.

It is an arithmetic number, because the mean of its divisors is an integer number (895163374700).

Almost surely, 2^{31311300213201} is an apocalyptic number.

It is an amenable number.

31311300213201 is a deficient number, since it is larger than the sum of its proper divisors (11656541772399).

31311300213201 is an equidigital number, since it uses as much as digits as its factorization.

31311300213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31166 (or 31087 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31311300213201 its reverse (10231200311313), we get a palindrome (41542500524514).

The spelling of 31311300213201 in words is "thirty-one trillion, three hundred eleven billion, three hundred million, two hundred thirteen thousand, two hundred one".