231312310031002 has 8 divisors (see below), whose sum is σ = 348785053869312. Its totient is φ = 115050625407900.

The previous prime is 231312310030957. The next prime is 231312310031039. The reversal of 231312310031002 is 200130013213132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231312310031002² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302764803324 + ... + 302764804087.

It is an arithmetic number, because the mean of its divisors is an integer number (43598131733664).

Almost surely, 2^{231312310031002} is an apocalyptic number.

231312310031002 is a deficient number, since it is larger than the sum of its proper divisors (117472743838310).

231312310031002 is a wasteful number, since it uses less digits than its factorization.

231312310031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605529607604.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231312310031002 its reverse (200130013213132), we get a palindrome (431442323244134).

The spelling of 231312310031002 in words is "two hundred thirty-one trillion, three hundred twelve billion, three hundred ten million, thirty-one thousand, two".