312404144342332 has 48 divisors (see below), whose sum is σ = 642368755823872. Its totient is φ = 130154046583680.

The previous prime is 312404144342317. The next prime is 312404144342371. The reversal of 312404144342332 is 233243441404213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614608233 + ... + 615116320.

Almost surely, 2^{312404144342332} is an apocalyptic number.

It is an amenable number.

312404144342332 is an abundant number, since it is smaller than the sum of its proper divisors (329964611481540).

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

312404144342332 is a wasteful number, since it uses less digits than its factorization.

312404144342332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229724818 (or 1229724816 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 312404144342332 its reverse (233243441404213), we get a palindrome (545647585746545).

The spelling of 312404144342332 in words is "three hundred twelve trillion, four hundred four billion, one hundred forty-four million, three hundred forty-two thousand, three hundred thirty-two".