312102331320 has 64 divisors (see below), whose sum is σ = 1008330613920. Its totient is φ = 76825188864.

The previous prime is 312102331313. The next prime is 312102331351. The reversal of 312102331320 is 23133201213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100031239 + ... + 100034358.

Almost surely, 2^312102331320 is an apocalyptic number.

312102331320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312102331320 is an abundant number, since it is smaller than the sum of its proper divisors (696228282600).

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

312102331320 is a wasteful number, since it uses less digits than its factorization.

312102331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200065624 (or 200065620 counting only the distinct ones).

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

Adding to 312102331320 its reverse (23133201213), we get a palindrome (335235532533).

The spelling of 312102331320 in words is "three hundred twelve billion, one hundred two million, three hundred thirty-one thousand, three hundred twenty".