231130312020210 has 64 divisors (see below), whose sum is σ = 555473101610880. Its totient is φ = 61550290667520.

The previous prime is 231130312020197. The next prime is 231130312020229. The reversal of 231130312020210 is 12020213031132.

It is a super-2 number, since 2×231130312020210² (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 31 ways as a sum of consecutive naturals, for example, 151270165 + ... + 152790455.

It is an arithmetic number, because the mean of its divisors is an integer number (8679267212670).

Almost surely, 2^{231130312020210} is an apocalyptic number.

231130312020210 is an abundant number, since it is smaller than the sum of its proper divisors (324342789590670).

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

231130312020210 is a wasteful number, since it uses less digits than its factorization.

231130312020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527243.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231130312020210 its reverse (12020213031132), we get a palindrome (243150525051342).

The spelling of 231130312020210 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred twelve million, twenty thousand, two hundred ten".