3131453453 has 4 divisors (see below), whose sum is σ = 3147189600. Its totient is φ = 3115717308.

The previous prime is 3131453407. The next prime is 3131453459. The reversal of 3131453453 is 3543541313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3543541313 = 13 ⋅272580101.

It is a cyclic number.

It is not a de Polignac number, because 3131453453 - 2¹² = 3131449357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131453459) 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, 7867775 + ... + 7868172.

It is an arithmetic number, because the mean of its divisors is an integer number (786797400).

Almost surely, 2^3131453453 is an apocalyptic number.

It is an amenable number.

3131453453 is a deficient number, since it is larger than the sum of its proper divisors (15736147).

3131453453 is a wasteful number, since it uses less digits than its factorization.

3131453453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15736146.

The product of its digits is 32400, while the sum is 32.

The square root of 3131453453 is about 55959.3911064086. The cubic root of 3131453453 is about 1463.0145777149.

Adding to 3131453453 its reverse (3543541313), we get a palindrome (6674994766).

The spelling of 3131453453 in words is "three billion, one hundred thirty-one million, four hundred fifty-three thousand, four hundred fifty-three".