9913415131 has 4 divisors (see below), whose sum is σ = 9913621000. Its totient is φ = 9913209264.

The previous prime is 9913415123. The next prime is 9913415153. The reversal of 9913415131 is 1315143199.

9913415131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9913415131 - 2³ = 9913415123 is a prime.

It is a super-2 number, since 2×9913415131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9913415231) 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, 12295 + ... + 141343.

It is an arithmetic number, because the mean of its divisors is an integer number (2478405250).

Almost surely, 2^9913415131 is an apocalyptic number.

9913415131 is a deficient number, since it is larger than the sum of its proper divisors (205869).

9913415131 is a wasteful number, since it uses less digits than its factorization.

9913415131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205868.

The product of its digits is 14580, while the sum is 37.

The square root of 9913415131 is about 99566.1344584593. The cubic root of 9913415131 is about 2148.1986087274.

The spelling of 9913415131 in words is "nine billion, nine hundred thirteen million, four hundred fifteen thousand, one hundred thirty-one".