231113561331002 has 16 divisors (see below), whose sum is σ = 396204494784000. Its totient is φ = 99046214587728.

The previous prime is 231113561330999. The next prime is 231113561331013. The reversal of 231113561331002 is 200133165311132.

231113561331002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231113561331002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203961002 + ... + 205090997.

It is an arithmetic number, because the mean of its divisors is an integer number (24762780924000).

Almost surely, 2^{231113561331002} is an apocalyptic number.

231113561331002 is a deficient number, since it is larger than the sum of its proper divisors (165090933452998).

231113561331002 is a wasteful number, since it uses less digits than its factorization.

231113561331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409092365.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 231113561331002 in words is "two hundred thirty-one trillion, one hundred thirteen billion, five hundred sixty-one million, three hundred thirty-one thousand, two".