31100023000312 has 32 divisors (see below), whose sum is σ = 66896301542400. Its totient is φ = 13277902263264.

The previous prime is 31100023000297. The next prime is 31100023000313. The reversal of 31100023000312 is 21300032000113.

It is a super-3 number, since 3×31100023000312³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100023000313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055798112 + ... + 1055827567.

It is an arithmetic number, because the mean of its divisors is an integer number (2090509423200).

Almost surely, 2^{31100023000312} is an apocalyptic number.

It is an amenable number.

31100023000312 is an abundant number, since it is smaller than the sum of its proper divisors (35796278542088).

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

31100023000312 is a wasteful number, since it uses less digits than its factorization.

31100023000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111625955 (or 2111625951 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31100023000312 its reverse (21300032000113), we get a palindrome (52400055000425).

The spelling of 31100023000312 in words is "thirty-one trillion, one hundred billion, twenty-three million, three hundred twelve", and thus it is an aban number.