312540228750 has 40 divisors (see below), whose sum is σ = 781100549064. Its totient is φ = 83344060000.

The previous prime is 312540228677. The next prime is 312540228779. The reversal of 312540228750 is 57822045213.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312540228699 and 312540228708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41668281 + ... + 41675780.

Almost surely, 2^312540228750 is an apocalyptic number.

312540228750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312540228750 is an abundant number, since it is smaller than the sum of its proper divisors (468560320314).

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

312540228750 is an equidigital number, since it uses as much as digits as its factorization.

312540228750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83344086 (or 83344071 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 312540228750 in words is "three hundred twelve billion, five hundred forty million, two hundred twenty-eight thousand, seven hundred fifty".