13213031001131 has 16 divisors (see below), whose sum is σ = 14538230784000. Its totient is φ = 11932163731488.

The previous prime is 13213031001127. The next prime is 13213031001139. The reversal of 13213031001131 is 13110013031231.

It is not a de Polignac number, because 13213031001131 - 2² = 13213031001127 is a prime.

It is a super-2 number, since 2×13213031001131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213031001139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3041351 + ... + 5972928.

It is an arithmetic number, because the mean of its divisors is an integer number (908639424000).

Almost surely, 2^{13213031001131} is an apocalyptic number.

13213031001131 is a deficient number, since it is larger than the sum of its proper divisors (1325199782869).

13213031001131 is a wasteful number, since it uses less digits than its factorization.

13213031001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016738.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 13213031001131 its reverse (13110013031231), we get a palindrome (26323044032362).

The spelling of 13213031001131 in words is "thirteen trillion, two hundred thirteen billion, thirty-one million, one thousand, one hundred thirty-one".