231130151 has 12 divisors (see below), whose sum is σ = 276137232. Its totient is φ = 189494976.

The previous prime is 231130139. The next prime is 231130177. The reversal of 231130151 is 151031132.

231130151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-231130151 is a prime.

It is a super-2 number, since 2×231130151² = 106842293402565602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231130111) 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, 27506 + ... + 34911.

It is an arithmetic number, because the mean of its divisors is an integer number (23011436).

Almost surely, 2^231130151 is an apocalyptic number.

231130151 is a deficient number, since it is larger than the sum of its proper divisors (45007081).

231130151 is an equidigital number, since it uses as much as digits as its factorization.

231130151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62470 (or 62447 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 231130151 is about 15202.9652041962. The cubic root of 231130151 is about 613.6944574711.

Adding to 231130151 its reverse (151031132), we get a palindrome (382161283).

The spelling of 231130151 in words is "two hundred thirty-one million, one hundred thirty thousand, one hundred fifty-one".