3113302131212 has 72 divisors (see below), whose sum is σ = 6830021728656. Its totient is φ = 1230786893952.

The previous prime is 3113302131193. The next prime is 3113302131257. The reversal of 3113302131212 is 2121312033113.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3281783 + ... + 4122705.

It is an arithmetic number, because the mean of its divisors is an integer number (94861412898).

Almost surely, 2^{3113302131212} 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 3113302131212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415010864328).

3113302131212 is an abundant number, since it is smaller than the sum of its proper divisors (3716719597444).

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

3113302131212 is a wasteful number, since it uses less digits than its factorization.

3113302131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842407 (or 842398 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3113302131212 its reverse (2121312033113), we get a palindrome (5234614164325).

The spelling of 3113302131212 in words is "three trillion, one hundred thirteen billion, three hundred two million, one hundred thirty-one thousand, two hundred twelve".