232431151 has 4 divisors (see below), whose sum is σ = 238713112. Its totient is φ = 226149192.

The previous prime is 232431131. The next prime is 232431163. The reversal of 232431151 is 151134232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232431151 - 2⁵ = 232431119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232431131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140925 + ... + 3140998.

It is an arithmetic number, because the mean of its divisors is an integer number (59678278).

Almost surely, 2^232431151 is an apocalyptic number.

232431151 is a deficient number, since it is larger than the sum of its proper divisors (6281961).

232431151 is an equidigital number, since it uses as much as digits as its factorization.

232431151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281960.

The product of its digits is 720, while the sum is 22.

The square root of 232431151 is about 15245.6928671674. The cubic root of 232431151 is about 614.8437710992.

Adding to 232431151 its reverse (151134232), we get a palindrome (383565383).

The spelling of 232431151 in words is "two hundred thirty-two million, four hundred thirty-one thousand, one hundred fifty-one".