3102231021312 has 72 divisors (see below), whose sum is σ = 8299686528000. Its totient is φ = 1028662942720.

The previous prime is 3102231021293. The next prime is 3102231021313. The reversal of 3102231021312 is 2131201322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102231021313) 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, 10427562 + ... + 10720937.

It is an arithmetic number, because the mean of its divisors is an integer number (115273424000).

Almost surely, 2^{3102231021312} is an apocalyptic number.

3102231021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3102231021312 is an abundant number, since it is smaller than the sum of its proper divisors (5197455506688).

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

3102231021312 is a wasteful number, since it uses less digits than its factorization.

3102231021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21148709 (or 21148695 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3102231021312 its reverse (2131201322013), we get a palindrome (5233432343325).

The spelling of 3102231021312 in words is "three trillion, one hundred two billion, two hundred thirty-one million, twenty-one thousand, three hundred twelve".