13031312454 has 32 divisors (see below), whose sum is σ = 29631930240. Its totient is φ = 4242752136.

The previous prime is 13031312443. The next prime is 13031312479. The reversal of 13031312454 is 45421313031.

It is a happy number.

13031312454 is a `hidden beast` number, since 1 + 303 + 1 + 312 + 45 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803732 + ... + 2808375.

It is an arithmetic number, because the mean of its divisors is an integer number (925997820).

Almost surely, 2^13031312454 is an apocalyptic number.

13031312454 is an abundant number, since it is smaller than the sum of its proper divisors (16600617786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031312454 is a wasteful number, since it uses less digits than its factorization.

13031312454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612161 (or 5612155 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13031312454 its reverse (45421313031), we get a palindrome (58452625485).

The spelling of 13031312454 in words is "thirteen billion, thirty-one million, three hundred twelve thousand, four hundred fifty-four".