9930131 has 4 divisors (see below), whose sum is σ = 10070064. Its totient is φ = 9790200.

The previous prime is 9930083. The next prime is 9930139. The reversal of 9930131 is 1310399.

9930131 is digitally balanced in base 2 and base 3, because in such bases 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 9930131 - 2²² = 5735827 is a prime.

It is a super-2 number, since 2×9930131² = 197215003354322, which 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 9930131.

It is not an unprimeable number, because it can be changed into a prime (9930139) 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, 69860 + ... + 70001.

It is an arithmetic number, because the mean of its divisors is an integer number (2517516).

Almost surely, 2^9930131 is an apocalyptic number.

9930131 is a deficient number, since it is larger than the sum of its proper divisors (139933).

9930131 is a wasteful number, since it uses less digits than its factorization.

9930131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139932.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 9930131 is about 3151.2110370459. The cubic root of 9930131 is about 214.9405352043.

The spelling of 9930131 in words is "nine million, nine hundred thirty thousand, one hundred thirty-one".