20231312210 has 32 divisors (see below), whose sum is σ = 38054973312. Its totient is φ = 7729413120.

The previous prime is 20231312203. The next prime is 20231312237. The reversal of 20231312210 is 1221313202.

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 15 ways as a sum of consecutive naturals, for example, 95282 + ... + 222578.

It is an arithmetic number, because the mean of its divisors is an integer number (1189217916).

Almost surely, 2^20231312210 is an apocalyptic number.

20231312210 is a deficient number, since it is larger than the sum of its proper divisors (17823661102).

20231312210 is a wasteful number, since it uses less digits than its factorization.

20231312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128018.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20231312210 its reverse (1221313202), we get a palindrome (21452625412).

The spelling of 20231312210 in words is "twenty billion, two hundred thirty-one million, three hundred twelve thousand, two hundred ten".