10312122231 has 24 divisors (see below), whose sum is σ = 15532373584. Its totient is φ = 6836736960.

The previous prime is 10312122229. The next prime is 10312122253. The reversal of 10312122231 is 13222121301.

10312122231 is a `hidden beast` number, since 1 + 0 + 312 + 122 + 231 = 666.

It is not a de Polignac number, because 10312122231 - 2¹ = 10312122229 is a prime.

It is a super-2 number, since 2×10312122231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312622231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73246 + ... + 161211.

Almost surely, 2^10312122231 is an apocalyptic number.

10312122231 is a deficient number, since it is larger than the sum of its proper divisors (5220251353).

10312122231 is an equidigital number, since it uses as much as digits as its factorization.

10312122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234653 (or 234641 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10312122231 its reverse (13222121301), we get a palindrome (23534243532).

The spelling of 10312122231 in words is "ten billion, three hundred twelve million, one hundred twenty-two thousand, two hundred thirty-one".