312331300232 has 48 divisors (see below), whose sum is σ = 682750417500. Its totient is φ = 133558075392.

The previous prime is 312331300163. The next prime is 312331300243. The reversal of 312331300232 is 232003133213.

It can be written as a sum of positive squares in 2 ways, for example, as 309209396356 + 3121903876 = 556066^2 + 55874^2 .

It is a super-2 number, since 2×312331300232² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312331300198 and 312331300207.

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 11 ways as a sum of consecutive naturals, for example, 711257 + ... + 1063272.

Almost surely, 2^312331300232 is an apocalyptic number.

It is an amenable number.

312331300232 is an abundant number, since it is smaller than the sum of its proper divisors (370419117268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312331300232 is a wasteful number, since it uses less digits than its factorization.

312331300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774998 (or 1774987 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 312331300232 its reverse (232003133213), we get a palindrome (544334433445).

The spelling of 312331300232 in words is "three hundred twelve billion, three hundred thirty-one million, three hundred thousand, two hundred thirty-two".