312316055250 has 64 divisors (see below), whose sum is σ = 780721448832. Its totient is φ = 83158152000.

The previous prime is 312316055239. The next prime is 312316055257. The reversal of 312316055250 is 52550613213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312316055257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180757 + ... + 810743.

It is an arithmetic number, because the mean of its divisors is an integer number (12198772638).

Almost surely, 2^312316055250 is an apocalyptic number.

312316055250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312316055250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390360724416).

312316055250 is an abundant number, since it is smaller than the sum of its proper divisors (468405393582).

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

312316055250 is a wasteful number, since it uses less digits than its factorization.

312316055250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630668 (or 630658 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 312316055250 its reverse (52550613213), we get a palindrome (364866668463).

The spelling of 312316055250 in words is "three hundred twelve billion, three hundred sixteen million, fifty-five thousand, two hundred fifty".