31351014200000 has 168 divisors, whose sum is σ = 84829352167728. Its totient is φ = 11400368000000.

The previous prime is 31351014199997. The next prime is 31351014200047. The reversal of 31351014200000 is 241015313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4925231 + ... + 9325230.

It is an arithmetic number, because the mean of its divisors is an integer number (504936620046).

Almost surely, 2^{31351014200000} is an apocalyptic number.

It is an amenable number.

31351014200000 is an abundant number, since it is smaller than the sum of its proper divisors (53478337967728).

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

31351014200000 is an equidigital number, since it uses as much as digits as its factorization.

31351014200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250509 (or 14250479 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 31351014200000 its reverse (241015313), we get a palindrome (31351255215313).

The spelling of 31351014200000 in words is "thirty-one trillion, three hundred fifty-one billion, fourteen million, two hundred thousand".