10312311231 has 128 divisors (see below), whose sum is σ = 17578598400. Its totient is φ = 5939619840.

The previous prime is 10312311143. The next prime is 10312311241. The reversal of 10312311231 is 13211321301.

10312311231 is a `hidden beast` number, since 10 + 312 + 311 + 2 + 31 = 666.

It is not a de Polignac number, because 10312311231 - 2¹⁴ = 10312294847 is a prime.

It is a super-2 number, since 2×10312311231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312311241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27646761 + ... + 27647133.

It is an arithmetic number, because the mean of its divisors is an integer number (137332800).

Almost surely, 2^10312311231 is an apocalyptic number.

10312311231 is a deficient number, since it is larger than the sum of its proper divisors (7266287169).

10312311231 is a wasteful number, since it uses less digits than its factorization.

10312311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10312311231 its reverse (13211321301), we get a palindrome (23523632532).

The spelling of 10312311231 in words is "ten billion, three hundred twelve million, three hundred eleven thousand, two hundred thirty-one".