13244520131 has 8 divisors (see below), whose sum is σ = 13368894000. Its totient is φ = 13120198560.

The previous prime is 13244520119. The next prime is 13244520143. The reversal of 13244520131 is 13102544231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13244520119) and next prime (13244520143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13244520131 is a prime.

It is a super-2 number, since 2×13244520131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13244520131.

It is not an unprimeable number, because it can be changed into a prime (13244520101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653945 + ... + 673893.

It is an arithmetic number, because the mean of its divisors is an integer number (1671111750).

Almost surely, 2^13244520131 is an apocalyptic number.

13244520131 is a deficient number, since it is larger than the sum of its proper divisors (124373869).

13244520131 is a wasteful number, since it uses less digits than its factorization.

13244520131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26149.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 13244520131 in words is "thirteen billion, two hundred forty-four million, five hundred twenty thousand, one hundred thirty-one".