312042440132 has 6 divisors (see below), whose sum is σ = 546074270238. Its totient is φ = 156021220064.

The previous prime is 312042440117. The next prime is 312042440159. The reversal of 312042440132 is 231044240213.

It can be written as a sum of positive squares in only one way, i.e., 255000760576 + 57041679556 = 504976^2 + 238834^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39005305013 + ... + 39005305020.

It is an arithmetic number, because the mean of its divisors is an integer number (91012378373).

Almost surely, 2^312042440132 is an apocalyptic number.

It is an amenable number.

312042440132 is a deficient number, since it is larger than the sum of its proper divisors (234031830106).

312042440132 is a wasteful number, since it uses less digits than its factorization.

312042440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78010610037 (or 78010610035 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 312042440132 its reverse (231044240213), we get a palindrome (543086680345).

The spelling of 312042440132 in words is "three hundred twelve billion, forty-two million, four hundred forty thousand, one hundred thirty-two".