9013231 has 2 divisors, whose sum is σ = 9013232. Its totient is φ = 9013230.

The previous prime is 9013223. The next prime is 9013243. The reversal of 9013231 is 1323109.

It is a weak prime.

It is an emirp because it is prime and its reverse (1323109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9013231 - 2³ = 9013223 is a prime.

It is a super-2 number, since 2×9013231² = 162476666118722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9013199 and 9013208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9013271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4506615 + 4506616.

It is an arithmetic number, because the mean of its divisors is an integer number (4506616).

Almost surely, 2^9013231 is an apocalyptic number.

9013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9013231 is an equidigital number, since it uses as much as digits as its factorization.

9013231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 9013231 is about 3002.2043568018. The cubic root of 9013231 is about 208.1102642069.

The spelling of 9013231 in words is "nine million, thirteen thousand, two hundred thirty-one".