13131342244031 has 4 divisors (see below), whose sum is σ = 14325100629864. Its totient is φ = 11937583858200.

The previous prime is 13131342243997. The next prime is 13131342244109. The reversal of 13131342244031 is 13044224313131.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-13131342244031 is a prime.

It is a super-2 number, since 2×13131342244031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131342244831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596879192900 + ... + 596879192921.

It is an arithmetic number, because the mean of its divisors is an integer number (3581275157466).

Almost surely, 2^{13131342244031} is an apocalyptic number.

13131342244031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13131342244031 is a deficient number, since it is larger than the sum of its proper divisors (1193758385833).

13131342244031 is a wasteful number, since it uses less digits than its factorization.

13131342244031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193758385832.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 13131342244031 its reverse (13044224313131), we get a palindrome (26175566557162).

The spelling of 13131342244031 in words is "thirteen trillion, one hundred thirty-one billion, three hundred forty-two million, two hundred forty-four thousand, thirty-one".