312322031232 has 128 divisors (see below), whose sum is σ = 837104452800. Its totient is φ = 103169064960.

The previous prime is 312322031221. The next prime is 312322031261. The reversal of 312322031232 is 232130223213.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 30792882 + ... + 30803022.

Almost surely, 2^312322031232 is an apocalyptic number.

312322031232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312322031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418552226400).

312322031232 is an abundant number, since it is smaller than the sum of its proper divisors (524782421568).

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

312322031232 is a wasteful number, since it uses less digits than its factorization.

312322031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874 (or 10862 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312322031232 its reverse (232130223213), we get a palindrome (544452254445).

The spelling of 312322031232 in words is "three hundred twelve billion, three hundred twenty-two million, thirty-one thousand, two hundred thirty-two".