901113831 has 12 divisors (see below), whose sum is σ = 1304552808. Its totient is φ = 599383824.

The previous prime is 901113823. The next prime is 901113847. The reversal of 901113831 is 138311109.

It is a happy number.

It is not a de Polignac number, because 901113831 - 2³ = 901113823 is a prime.

It is a super-2 number, since 2×901113831² = 1624012272838993122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 901113795 and 901113804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901113331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109020 + ... + 116993.

It is an arithmetic number, because the mean of its divisors is an integer number (108712734).

Almost surely, 2^901113831 is an apocalyptic number.

901113831 is a deficient number, since it is larger than the sum of its proper divisors (403438977).

901113831 is a wasteful number, since it uses less digits than its factorization.

901113831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226462 (or 226459 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 901113831 is about 30018.5581099426. The cubic root of 901113831 is about 965.8875137464.

The spelling of 901113831 in words is "nine hundred one million, one hundred thirteen thousand, eight hundred thirty-one".