9013831 has 4 divisors (see below), whose sum is σ = 9115200. Its totient is φ = 8912464.

The previous prime is 9013817. The next prime is 9013853. The reversal of 9013831 is 1383109.

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 9013831 - 2¹⁹ = 8489543 is a prime.

It is a super-2 number, since 2×9013831² = 162498298593122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9013796 and 9013805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9013811) 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, 50551 + ... + 50728.

It is an arithmetic number, because the mean of its divisors is an integer number (2278800).

Almost surely, 2^9013831 is an apocalyptic number.

9013831 is a deficient number, since it is larger than the sum of its proper divisors (101369).

9013831 is a wasteful number, since it uses less digits than its factorization.

9013831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101368.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9013831 is about 3002.3042817143. The cubic root of 9013831 is about 208.1148819882.

The spelling of 9013831 in words is "nine million, thirteen thousand, eight hundred thirty-one".