13031311582490 has 16 divisors (see below), whose sum is σ = 24265200878280. Its totient is φ = 5032782404160.

The previous prime is 13031311582489. The next prime is 13031311582571. The reversal of 13031311582490 is 9428511313031.

13031311582490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9056723094721 + 3974588487769 = 3009439^2 + 1993637^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22467778301 + ... + 22467778880.

Almost surely, 2^{13031311582490} is an apocalyptic number.

13031311582490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031311582490 is a deficient number, since it is larger than the sum of its proper divisors (11233889295790).

13031311582490 is a wasteful number, since it uses less digits than its factorization.

13031311582490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44935557217.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 13031311582490 in words is "thirteen trillion, thirty-one billion, three hundred eleven million, five hundred eighty-two thousand, four hundred ninety".