13031142542520 has 64 divisors (see below), whose sum is σ = 39238756452000. Its totient is φ = 3462053227008.

The previous prime is 13031142542513. The next prime is 13031142542531. The reversal of 13031142542520 is 2524524113031.

It is a super-2 number, since 2×13031142542520² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 201813175 + ... + 201877734.

Almost surely, 2^{13031142542520} is an apocalyptic number.

13031142542520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031142542520 is an abundant number, since it is smaller than the sum of its proper divisors (26207613909480).

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

13031142542520 is a wasteful number, since it uses less digits than its factorization.

13031142542520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403691192 (or 403691188 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 13031142542520 its reverse (2524524113031), we get a palindrome (15555666655551).

The spelling of 13031142542520 in words is "thirteen trillion, thirty-one billion, one hundred forty-two million, five hundred forty-two thousand, five hundred twenty".