312011403214232 has 8 divisors (see below), whose sum is σ = 585021381026700. Its totient is φ = 156005701607112.

The previous prime is 312011403214229. The next prime is 312011403214271. The reversal of 312011403214232 is 232412304110213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×312011403214232² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312011403214195 and 312011403214204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19500712700882 + ... + 19500712700897.

Almost surely, 2^{312011403214232} is an apocalyptic number.

It is an amenable number.

312011403214232 is a deficient number, since it is larger than the sum of its proper divisors (273009977812468).

312011403214232 is a wasteful number, since it uses less digits than its factorization.

312011403214232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39001425401785 (or 39001425401781 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 312011403214232 its reverse (232412304110213), we get a palindrome (544423707324445).

The spelling of 312011403214232 in words is "three hundred twelve trillion, eleven billion, four hundred three million, two hundred fourteen thousand, two hundred thirty-two".