231310120002 has 16 divisors (see below), whose sum is σ = 498206412480. Its totient is φ = 71172344592.

The previous prime is 231310119991. The next prime is 231310120091. The reversal of 231310120002 is 200021013132.

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 7 ways as a sum of consecutive naturals, for example, 1482757102 + ... + 1482757257.

It is an arithmetic number, because the mean of its divisors is an integer number (31137900780).

Almost surely, 2^231310120002 is an apocalyptic number.

231310120002 is an abundant number, since it is smaller than the sum of its proper divisors (266896292478).

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

231310120002 is a wasteful number, since it uses less digits than its factorization.

231310120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965514377.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231310120002 its reverse (200021013132), we get a palindrome (431331133134).

The spelling of 231310120002 in words is "two hundred thirty-one billion, three hundred ten million, one hundred twenty thousand, two".