312001331132 has 6 divisors (see below), whose sum is σ = 546002329488. Its totient is φ = 156000665564.

The previous prime is 312001331093. The next prime is 312001331153. The reversal of 312001331132 is 231133100213.

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, 39000166388 + ... + 39000166395.

It is an arithmetic number, because the mean of its divisors is an integer number (91000388248).

Almost surely, 2^312001331132 is an apocalyptic number.

It is an amenable number.

312001331132 is a deficient number, since it is larger than the sum of its proper divisors (234000998356).

312001331132 is a wasteful number, since it uses less digits than its factorization.

312001331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78000332787 (or 78000332785 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312001331132 its reverse (231133100213), we get a palindrome (543134431345).

The spelling of 312001331132 in words is "three hundred twelve billion, one million, three hundred thirty-one thousand, one hundred thirty-two".