312313331330 has 128 divisors (see below), whose sum is σ = 755068317696. Its totient is φ = 89823686400.

The previous prime is 312313331263. The next prime is 312313331333. The reversal of 312313331330 is 33133313213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 312313331330.

It is not an unprimeable number, because it can be changed into a prime (312313331333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46673285 + ... + 46679975.

It is an arithmetic number, because the mean of its divisors is an integer number (5898971232).

Almost surely, 2^312313331330 is an apocalyptic number.

312313331330 is an abundant number, since it is smaller than the sum of its proper divisors (442754986366).

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

312313331330 is a wasteful number, since it uses less digits than its factorization.

312313331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11392.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 312313331330 its reverse (33133313213), we get a palindrome (345446644543).

The spelling of 312313331330 in words is "three hundred twelve billion, three hundred thirteen million, three hundred thirty-one thousand, three hundred thirty".