312232113320 has 16 divisors (see below), whose sum is σ = 702522255060. Its totient is φ = 124892845312.

The previous prime is 312232113307. The next prime is 312232113331. The reversal of 312232113320 is 23311232213.

It can be written as a sum of positive squares in 2 ways, for example, as 260832875524 + 51399237796 = 510718^2 + 226714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902901377 + ... + 3902901456.

Almost surely, 2^312232113320 is an apocalyptic number.

It is an amenable number.

312232113320 is an abundant number, since it is smaller than the sum of its proper divisors (390290141740).

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

312232113320 is a wasteful number, since it uses less digits than its factorization.

312232113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805802844 (or 7805802840 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312232113320 its reverse (23311232213), we get a palindrome (335543345533).

The spelling of 312232113320 in words is "three hundred twelve billion, two hundred thirty-two million, one hundred thirteen thousand, three hundred twenty".