13031213133020 has 48 divisors (see below), whose sum is σ = 27396309749760. Its totient is φ = 5206628307456.

The previous prime is 13031213132999. The next prime is 13031213133031. The reversal of 13031213133020 is 2033131213031.

13031213133020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85414166 + ... + 85566594.

It is an arithmetic number, because the mean of its divisors is an integer number (570756453120).

Almost surely, 2^{13031213133020} is an apocalyptic number.

13031213133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031213133020 is an abundant number, since it is smaller than the sum of its proper divisors (14365096616740).

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

13031213133020 is a wasteful number, since it uses less digits than its factorization.

13031213133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157214 (or 157212 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13031213133020 its reverse (2033131213031), we get a palindrome (15064344346051).

The spelling of 13031213133020 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-three thousand, twenty".