631313125757 has 8 divisors (see below), whose sum is σ = 683994522816. Its totient is φ = 580358987712.

The previous prime is 631313125699. The next prime is 631313125759. The reversal of 631313125757 is 757521313136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631313125757 - 2¹⁴ = 631313109373 is a prime.

It is a super-5 number, since 5×631313125757⁵ (a number of 60 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631313125759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431813993 + ... + 431815454.

It is an arithmetic number, because the mean of its divisors is an integer number (85499315352).

Almost surely, 2^631313125757 is an apocalyptic number.

It is an amenable number.

631313125757 is a deficient number, since it is larger than the sum of its proper divisors (52681397059).

631313125757 is a wasteful number, since it uses less digits than its factorization.

631313125757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863629507.

The product of its digits is 396900, while the sum is 44.

The spelling of 631313125757 in words is "six hundred thirty-one billion, three hundred thirteen million, one hundred twenty-five thousand, seven hundred fifty-seven".