312331240100 has 72 divisors (see below), whose sum is σ = 750408824928. Its totient is φ = 111879820800.

The previous prime is 312331240097. The next prime is 312331240129. The reversal of 312331240100 is 1042133213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2045237 + ... + 2192636.

Almost surely, 2^312331240100 is an apocalyptic number.

It is an amenable number.

312331240100 is an abundant number, since it is smaller than the sum of its proper divisors (438077584828).

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

312331240100 is a wasteful number, since it uses less digits than its factorization.

312331240100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237965 (or 4237958 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312331240100 its reverse (1042133213), we get a palindrome (313373373313).

The spelling of 312331240100 in words is "three hundred twelve billion, three hundred thirty-one million, two hundred forty thousand, one hundred".