231422371 has 2 divisors, whose sum is σ = 231422372. Its totient is φ = 231422370.

The previous prime is 231422353. The next prime is 231422381. The reversal of 231422371 is 173224132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231422371 - 2⁹ = 231421859 is a prime.

It is not a weakly prime, because it can be changed into another prime (231422341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115711185 + 115711186.

It is an arithmetic number, because the mean of its divisors is an integer number (115711186).

Almost surely, 2^231422371 is an apocalyptic number.

231422371 is a deficient number, since it is larger than the sum of its proper divisors (1).

231422371 is an equidigital number, since it uses as much as digits as its factorization.

231422371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 231422371 is about 15212.5727935810. The cubic root of 231422371 is about 613.9529817540.

The spelling of 231422371 in words is "two hundred thirty-one million, four hundred twenty-two thousand, three hundred seventy-one".