9113030231 has 4 divisors (see below), whose sum is σ = 9119391072. Its totient is φ = 9106669392.

The previous prime is 9113030221. The next prime is 9113030299. The reversal of 9113030231 is 1320303119.

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 9113030231 - 2³⁰ = 8039288407 is a prime.

It is a super-2 number, since 2×9113030231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9113030197 and 9113030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9113030221) 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, 3178271 + ... + 3181136.

It is an arithmetic number, because the mean of its divisors is an integer number (2279847768).

Almost surely, 2^9113030231 is an apocalyptic number.

9113030231 is a deficient number, since it is larger than the sum of its proper divisors (6360841).

9113030231 is a wasteful number, since it uses less digits than its factorization.

9113030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6360840.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 9113030231 is about 95462.1926785678. The cubic root of 9113030231 is about 2088.7554865094.

The spelling of 9113030231 in words is "nine billion, one hundred thirteen million, thirty thousand, two hundred thirty-one".