31268486453 has 4 divisors (see below), whose sum is σ = 32627985888. Its totient is φ = 29908987020.

The previous prime is 31268486441. The next prime is 31268486471. The reversal of 31268486453 is 35468486213.

It is a happy number.

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 not a de Polignac number, because 31268486453 - 2¹⁰ = 31268485429 is a prime.

It is a super-2 number, since 2×31268486453² (a number of 22 digits) contains 22 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 (31268486413) 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 3 ways as a sum of consecutive naturals, for example, 679749683 + ... + 679749728.

It is an arithmetic number, because the mean of its divisors is an integer number (8156996472).

Almost surely, 2^31268486453 is an apocalyptic number.

It is an amenable number.

31268486453 is a deficient number, since it is larger than the sum of its proper divisors (1359499435).

31268486453 is a wasteful number, since it uses less digits than its factorization.

31268486453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359499434.

The product of its digits is 3317760, while the sum is 50.

The spelling of 31268486453 in words is "thirty-one billion, two hundred sixty-eight million, four hundred eighty-six thousand, four hundred fifty-three".