38497343131 has 4 divisors (see below), whose sum is σ = 41458677232. Its totient is φ = 35536009032.

The previous prime is 38497343111. The next prime is 38497343141. The reversal of 38497343131 is 13134379483.

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

It is a cyclic number.

It is not a de Polignac number, because 38497343131 - 2⁹ = 38497342619 is a prime.

It is a super-2 number, since 2×38497343131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38497343111) 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, 1480667031 + ... + 1480667056.

It is an arithmetic number, because the mean of its divisors is an integer number (10364669308).

Almost surely, 2^38497343131 is an apocalyptic number.

38497343131 is a deficient number, since it is larger than the sum of its proper divisors (2961334101).

38497343131 is a wasteful number, since it uses less digits than its factorization.

38497343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961334100.

The product of its digits is 653184, while the sum is 46.

The spelling of 38497343131 in words is "thirty-eight billion, four hundred ninety-seven million, three hundred forty-three thousand, one hundred thirty-one".