312023103312 has 20 divisors (see below), whose sum is σ = 806059683680. Its totient is φ = 104007701088.

The previous prime is 312023103311. The next prime is 312023103319. The reversal of 312023103312 is 213301320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023103311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250240612 + ... + 3250240707.

It is an arithmetic number, because the mean of its divisors is an integer number (40302984184).

Almost surely, 2^312023103312 is an apocalyptic number.

It is an amenable number.

312023103312 is an abundant number, since it is smaller than the sum of its proper divisors (494036580368).

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

312023103312 is a wasteful number, since it uses less digits than its factorization.

312023103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500481330 (or 6500481324 counting only the distinct ones).

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

Adding to 312023103312 its reverse (213301320213), we get a palindrome (525324423525).

The spelling of 312023103312 in words is "three hundred twelve billion, twenty-three million, one hundred three thousand, three hundred twelve".