3103012131312 has 80 divisors (see below), whose sum is σ = 8169611539968. Its totient is φ = 1014542081280.

The previous prime is 3103012131301. The next prime is 3103012131353. The reversal of 3103012131312 is 2131312103013.

It is a happy number.

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, 9172893 + ... + 9505155.

Almost surely, 2^{3103012131312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103012131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4084805769984).

3103012131312 is an abundant number, since it is smaller than the sum of its proper divisors (5066599408656).

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

3103012131312 is a wasteful number, since it uses less digits than its factorization.

3103012131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335998 (or 335992 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3103012131312 its reverse (2131312103013), we get a palindrome (5234324234325).

The spelling of 3103012131312 in words is "three trillion, one hundred three billion, twelve million, one hundred thirty-one thousand, three hundred twelve".