3131135453 has 4 divisors (see below), whose sum is σ = 3138268320. Its totient is φ = 3124002588.

The previous prime is 3131135443. The next prime is 3131135479. The reversal of 3131135453 is 3545311313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131135453 - 2¹⁰ = 3131134429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131135443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565775 + ... + 3566652.

It is an arithmetic number, because the mean of its divisors is an integer number (784567080).

Almost surely, 2^3131135453 is an apocalyptic number.

It is an amenable number.

3131135453 is a deficient number, since it is larger than the sum of its proper divisors (7132867).

3131135453 is an equidigital number, since it uses as much as digits as its factorization.

3131135453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132866.

The product of its digits is 8100, while the sum is 29.

The square root of 3131135453 is about 55956.5496881286. The cubic root of 3131135453 is about 1462.9650528546.

Adding to 3131135453 its reverse (3545311313), we get a palindrome (6676446766).

The spelling of 3131135453 in words is "three billion, one hundred thirty-one million, one hundred thirty-five thousand, four hundred fifty-three".