312132302331 has 16 divisors (see below), whose sum is σ = 430699618560. Its totient is φ = 200832337440.

The previous prime is 312132302297. The next prime is 312132302353. The reversal of 312132302331 is 133203231213.

It is not a de Polignac number, because 312132302331 - 2⁶ = 312132302267 is a prime.

It is a super-2 number, since 2×312132302331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312132309331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498925 + ... + 934446.

It is an arithmetic number, because the mean of its divisors is an integer number (26918726160).

Almost surely, 2^312132302331 is an apocalyptic number.

312132302331 is a deficient number, since it is larger than the sum of its proper divisors (118567316229).

312132302331 is a wasteful number, since it uses less digits than its factorization.

312132302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435906.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312132302331 its reverse (133203231213), we get a palindrome (445335533544).

The spelling of 312132302331 in words is "three hundred twelve billion, one hundred thirty-two million, three hundred two thousand, three hundred thirty-one".