901113331 has 2 divisors, whose sum is σ = 901113332. Its totient is φ = 901113330.

The previous prime is 901113307. The next prime is 901113347. The reversal of 901113331 is 133311109.

It is a strong prime.

It is an emirp because it is prime and its reverse (133311109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901113331 - 2²⁵ = 867558899 is a prime.

It is a super-2 number, since 2×901113331² = 1624010470611831122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (901113371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450556665 + 450556666.

It is an arithmetic number, because the mean of its divisors is an integer number (450556666).

Almost surely, 2^901113331 is an apocalyptic number.

901113331 is a deficient number, since it is larger than the sum of its proper divisors (1).

901113331 is an equidigital number, since it uses as much as digits as its factorization.

901113331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 901113331 is about 30018.5497817599. The cubic root of 901113331 is about 965.8873350994.

The spelling of 901113331 in words is "nine hundred one million, one hundred thirteen thousand, three hundred thirty-one".