151930231 has 2 divisors, whose sum is σ = 151930232. Its totient is φ = 151930230.

The previous prime is 151930201. The next prime is 151930283. The reversal of 151930231 is 132039151.

151930231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151930231 - 2¹⁵ = 151897463 is a prime.

It is a super-2 number, since 2×151930231² = 46165590183426722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151930196 and 151930205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151930201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75965115 + 75965116.

It is an arithmetic number, because the mean of its divisors is an integer number (75965116).

Almost surely, 2^151930231 is an apocalyptic number.

151930231 is a deficient number, since it is larger than the sum of its proper divisors (1).

151930231 is an equidigital number, since it uses as much as digits as its factorization.

151930231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 151930231 is about 12325.9981745902. The cubic root of 151930231 is about 533.5986629871.

Adding to 151930231 its reverse (132039151), we get a palindrome (283969382).

The spelling of 151930231 in words is "one hundred fifty-one million, nine hundred thirty thousand, two hundred thirty-one".