3131313453 has 12 divisors (see below), whose sum is σ = 4789067868. Its totient is φ = 1964745600.

The previous prime is 3131313439. The next prime is 3131313463. The reversal of 3131313453 is 3543131313.

3131313453 is a `hidden beast` number, since 3 + 1 + 313 + 1 + 345 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1971093609 + 1160219844 = 44397^2 + 34062^2 .

It is not a de Polignac number, because 3131313453 - 2⁹ = 3131312941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131313413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10232898 + ... + 10233203.

It is an arithmetic number, because the mean of its divisors is an integer number (399088989).

Almost surely, 2^3131313453 is an apocalyptic number.

It is an amenable number.

3131313453 is a deficient number, since it is larger than the sum of its proper divisors (1657754415).

3131313453 is a wasteful number, since it uses less digits than its factorization.

3131313453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20466124 (or 20466121 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 3131313453 is about 55958.1401853207. The cubic root of 3131313453 is about 1462.9927747304.

Adding to 3131313453 its reverse (3543131313), we get a palindrome (6674444766).

The spelling of 3131313453 in words is "three billion, one hundred thirty-one million, three hundred thirteen thousand, four hundred fifty-three".