130233231 has 32 divisors (see below), whose sum is σ = 198201600. Its totient is φ = 84486240.

The previous prime is 130233203. The next prime is 130233281. The reversal of 130233231 is 132332031.

130233231 is a `hidden beast` number, since 1 + 302 + 332 + 31 = 666.

It is not a de Polignac number, because 130233231 - 2⁶ = 130233167 is a prime.

It is a super-2 number, since 2×130233231² = 33921388913398722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130233281) 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, 175860 + ... + 176598.

It is an arithmetic number, because the mean of its divisors is an integer number (6193800).

Almost surely, 2^130233231 is an apocalyptic number.

130233231 is a deficient number, since it is larger than the sum of its proper divisors (67968369).

130233231 is a wasteful number, since it uses less digits than its factorization.

130233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 130233231 is about 11411.9775236372. The cubic root of 130233231 is about 506.8824698683.

Adding to 130233231 its reverse (132332031), we get a palindrome (262565262).

The spelling of 130233231 in words is "one hundred thirty million, two hundred thirty-three thousand, two hundred thirty-one".