6313131312 has 40 divisors (see below), whose sum is σ = 16337555520. Its totient is φ = 2100682560.

The previous prime is 6313131299. The next prime is 6313131313. The reversal of 6313131312 is 2131313136.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6313131313) 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, 87762 + ... + 142577.

It is an arithmetic number, because the mean of its divisors is an integer number (408438888).

Almost surely, 2^6313131312 is an apocalyptic number.

It is an amenable number.

6313131312 is an abundant number, since it is smaller than the sum of its proper divisors (10024424208).

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

6313131312 is a wasteful number, since it uses less digits than its factorization.

6313131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230921 (or 230915 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 6313131312 is about 79455.2157633468. The cubic root of 6313131312 is about 1848.1970564402.

Adding to 6313131312 its reverse (2131313136), we get a palindrome (8444444448).

The spelling of 6313131312 in words is "six billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred twelve".