130231251 has 12 divisors (see below), whose sum is σ = 188524128. Its totient is φ = 86630544.

The previous prime is 130231181. The next prime is 130231259. The reversal of 130231251 is 152132031.

130231251 is a `hidden beast` number, since 1 + 302 + 312 + 51 = 666.

It is not a de Polignac number, because 130231251 - 2¹³ = 130223059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130231259) 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, 11460 + ... + 19793.

It is an arithmetic number, because the mean of its divisors is an integer number (15710344).

Almost surely, 2^130231251 is an apocalyptic number.

130231251 is a deficient number, since it is larger than the sum of its proper divisors (58292877).

130231251 is a wasteful number, since it uses less digits than its factorization.

130231251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31722 (or 31719 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130231251 is about 11411.8907723479. The cubic root of 130231251 is about 506.8799010606.

Adding to 130231251 its reverse (152132031), we get a palindrome (282363282).

The spelling of 130231251 in words is "one hundred thirty million, two hundred thirty-one thousand, two hundred fifty-one".