312940431288 has 64 divisors (see below), whose sum is σ = 920413044000. Its totient is φ = 98177389056.

The previous prime is 312940431283. The next prime is 312940431311. The reversal of 312940431288 is 882134049213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312940431281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42608043 + ... + 42615386.

Almost surely, 2^312940431288 is an apocalyptic number.

It is an amenable number.

312940431288 is an abundant number, since it is smaller than the sum of its proper divisors (607472612712).

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

312940431288 is a wasteful number, since it uses less digits than its factorization.

312940431288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85223461 (or 85223451 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 312940431288 in words is "three hundred twelve billion, nine hundred forty million, four hundred thirty-one thousand, two hundred eighty-eight".