312305111304 has 32 divisors (see below), whose sum is σ = 781693416000. Its totient is φ = 103977618752.

The previous prime is 312305111291. The next prime is 312305111383. The reversal of 312305111304 is 403111503213.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7734759 + ... + 7775030.

It is an arithmetic number, because the mean of its divisors is an integer number (24427919250).

Almost surely, 2^312305111304 is an apocalyptic number.

It is an amenable number.

312305111304 is an abundant number, since it is smaller than the sum of its proper divisors (469388304696).

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

312305111304 is a wasteful number, since it uses less digits than its factorization.

312305111304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15510637 (or 15510633 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 312305111304 its reverse (403111503213), we get a palindrome (715416614517).

The spelling of 312305111304 in words is "three hundred twelve billion, three hundred five million, one hundred eleven thousand, three hundred four".