2131312210322 has 16 divisors (see below), whose sum is σ = 3286597789944. Its totient is φ = 1035964608000.

The previous prime is 2131312210309. The next prime is 2131312210333. The reversal of 2131312210322 is 2230122131312.

It can be written as a sum of positive squares in 4 ways, for example, as 1966532233561 + 164779976761 = 1402331^2 + 405931^2 .

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, 46225379 + ... + 46271462.

Almost surely, 2^{2131312210322} is an apocalyptic number.

2131312210322 is a deficient number, since it is larger than the sum of its proper divisors (1155285579622).

2131312210322 is a wasteful number, since it uses less digits than its factorization.

2131312210322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92497165.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2131312210322 its reverse (2230122131312), we get a palindrome (4361434341634).

The spelling of 2131312210322 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, two hundred ten thousand, three hundred twenty-two".