231210302020002 has 24 divisors (see below), whose sum is σ = 500969490903180. Its totient is φ = 77067971976960.

The previous prime is 231210302019979. The next prime is 231210302020013. The reversal of 231210302020002 is 200020203012132.

231210302020002 is a `hidden beast` number, since 231 + 210 + 3 + 0 + 20 + 200 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198042827327361 + 33167474692641 = 14072769^2 + 5759121^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176721499 + ... + 178025022.

Almost surely, 2^{231210302020002} is an apocalyptic number.

231210302020002 is an abundant number, since it is smaller than the sum of its proper divisors (269759188883178).

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

231210302020002 is a wasteful number, since it uses less digits than its factorization.

231210302020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354782738 (or 354782735 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 231210302020002 its reverse (200020203012132), we get a palindrome (431230505032134).

The spelling of 231210302020002 in words is "two hundred thirty-one trillion, two hundred ten billion, three hundred two million, twenty thousand, two".