13131040021131 has 16 divisors (see below), whose sum is σ = 17618145765120. Its totient is φ = 8698996827360.

The previous prime is 13131040021103. The next prime is 13131040021133. The reversal of 13131040021131 is 13112004013131.

It is not a de Polignac number, because 13131040021131 - 2³⁷ = 12993601067659 is a prime.

It is a super-2 number, since 2×13131040021131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13131040021098 and 13131040021107.

It is not an unprimeable number, because it can be changed into a prime (13131040021133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177930 + ... + 5258288.

It is an arithmetic number, because the mean of its divisors is an integer number (1101134110320).

Almost surely, 2^{13131040021131} is an apocalyptic number.

13131040021131 is a deficient number, since it is larger than the sum of its proper divisors (4487105743989).

13131040021131 is a wasteful number, since it uses less digits than its factorization.

13131040021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087106.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13131040021131 its reverse (13112004013131), we get a palindrome (26243044034262).

The spelling of 13131040021131 in words is "thirteen trillion, one hundred thirty-one billion, forty million, twenty-one thousand, one hundred thirty-one".