13131522020001 has 16 divisors (see below), whose sum is σ = 21829023618048. Its totient is φ = 6821569880400.

The previous prime is 13131522019991. The next prime is 13131522020003. The reversal of 13131522020001 is 10002022513131.

It is not a de Polignac number, because 13131522020001 - 2⁵ = 13131522019969 is a prime.

It is a super-2 number, since 2×13131522020001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13131522020001.

It is not an unprimeable number, because it can be changed into a prime (13131522020003) by changing a digit.

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, 28423207605 + ... + 28423208066.

It is an arithmetic number, because the mean of its divisors is an integer number (1364313976128).

Almost surely, 2^{13131522020001} is an apocalyptic number.

13131522020001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13131522020001 is a deficient number, since it is larger than the sum of its proper divisors (8697501598047).

13131522020001 is a wasteful number, since it uses less digits than its factorization.

13131522020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56846415692.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13131522020001 its reverse (10002022513131), we get a palindrome (23133544533132).

The spelling of 13131522020001 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-two million, twenty thousand, one".