3130186312 has 128 divisors (see below), whose sum is σ = 7025356800. Its totient is φ = 1291680000.

The previous prime is 3130186303. The next prime is 3130186363. The reversal of 3130186312 is 2136810313.

It is a super-2 number, since 2×3130186312² = 19596132695664322688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6789762 + ... + 6790222.

It is an arithmetic number, because the mean of its divisors is an integer number (54885600).

Almost surely, 2^3130186312 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 3130186312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3512678400).

3130186312 is an abundant number, since it is smaller than the sum of its proper divisors (3895170488).

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

3130186312 is a wasteful number, since it uses less digits than its factorization.

3130186312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3130186312 is about 55948.0679916653. The cubic root of 3130186312 is about 1462.8172150640.

Adding to 3130186312 its reverse (2136810313), we get a palindrome (5266996625).

The spelling of 3130186312 in words is "three billion, one hundred thirty million, one hundred eighty-six thousand, three hundred twelve".