13031228368774 has 64 divisors (see below), whose sum is σ = 25808119119360. Its totient is φ = 4777616494080.

The previous prime is 13031228368651. The next prime is 13031228368799. The reversal of 13031228368774 is 47786382213031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14698764 + ... + 15560080.

It is an arithmetic number, because the mean of its divisors is an integer number (403251861240).

Almost surely, 2^{13031228368774} is an apocalyptic number.

13031228368774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13031228368774 is a deficient number, since it is larger than the sum of its proper divisors (12776890750586).

13031228368774 is a wasteful number, since it uses less digits than its factorization.

13031228368774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867133.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 13031228368774 in words is "thirteen trillion, thirty-one billion, two hundred twenty-eight million, three hundred sixty-eight thousand, seven hundred seventy-four".