27230931 has 32 divisors (see below), whose sum is σ = 49656320. Its totient is φ = 14362272.

The previous prime is 27230921. The next prime is 27230939. The reversal of 27230931 is 13903272.

It is not a de Polignac number, because 27230931 - 2⁵ = 27230899 is a prime.

It is a super-2 number, since 2×27230931² = 1483047206253522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 27230895 and 27230904.

It is not an unprimeable number, because it can be changed into a prime (27230939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3085 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (1551760).

Almost surely, 2^27230931 is an apocalyptic number.

27230931 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27230931 is a deficient number, since it is larger than the sum of its proper divisors (22425389).

27230931 is a wasteful number, since it uses less digits than its factorization.

27230931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112 (or 11106 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 27230931 is about 5218.3264558669. The cubic root of 27230931 is about 300.8528730608.

The spelling of 27230931 in words is "twenty-seven million, two hundred thirty thousand, nine hundred thirty-one".