313131284725 has 12 divisors (see below), whose sum is σ = 443751763744. Its totient is φ = 214718595120.

The previous prime is 313131284717. The next prime is 313131284747. The reversal of 313131284725 is 527482131313.

It is a happy number.

It is not a de Polignac number, because 313131284725 - 2³ = 313131284717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894660639 + ... + 894660988.

Almost surely, 2^313131284725 is an apocalyptic number.

313131284725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313131284725 is a deficient number, since it is larger than the sum of its proper divisors (130620479019).

313131284725 is a wasteful number, since it uses less digits than its factorization.

313131284725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789321644 (or 1789321639 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 313131284725 in words is "three hundred thirteen billion, one hundred thirty-one million, two hundred eighty-four thousand, seven hundred twenty-five".