310312123320 has 32 divisors (see below), whose sum is σ = 930936370320. Its totient is φ = 82749899520.

The previous prime is 310312123313. The next prime is 310312123337. The reversal of 310312123320 is 23321213013.

It is a super-2 number, since 2×310312123320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292967061 + ... + 1292967300.

Almost surely, 2^310312123320 is an apocalyptic number.

310312123320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310312123320 is an abundant number, since it is smaller than the sum of its proper divisors (620624247000).

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

310312123320 is a wasteful number, since it uses less digits than its factorization.

310312123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585934375 (or 2585934371 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 310312123320 its reverse (23321213013), we get a palindrome (333633336333).

The spelling of 310312123320 in words is "three hundred ten billion, three hundred twelve million, one hundred twenty-three thousand, three hundred twenty".