312313021332 has 96 divisors (see below), whose sum is σ = 839178434304. Its totient is φ = 89548032000.

The previous prime is 312313021327. The next prime is 312313021351. The reversal of 312313021332 is 233120313213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315144 + ... + 850847.

It is an arithmetic number, because the mean of its divisors is an integer number (8741442024).

Almost surely, 2^312313021332 is an apocalyptic number.

It is an amenable number.

312313021332 is an abundant number, since it is smaller than the sum of its proper divisors (526865412972).

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

312313021332 is a wasteful number, since it uses less digits than its factorization.

312313021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166129 (or 1166127 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312313021332 its reverse (233120313213), we get a palindrome (545433334545).

The spelling of 312313021332 in words is "three hundred twelve billion, three hundred thirteen million, twenty-one thousand, three hundred thirty-two".