230472031 has 2 divisors, whose sum is σ = 230472032. Its totient is φ = 230472030.

The previous prime is 230471999. The next prime is 230472083. The reversal of 230472031 is 130274032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230472031 - 2⁵ = 230471999 is a prime.

It is a super-2 number, since 2×230472031² = 106234714146529922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230471993 and 230472011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230472331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115236015 + 115236016.

It is an arithmetic number, because the mean of its divisors is an integer number (115236016).

Almost surely, 2^230472031 is an apocalyptic number.

230472031 is a deficient number, since it is larger than the sum of its proper divisors (1).

230472031 is an equidigital number, since it uses as much as digits as its factorization.

230472031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 230472031 is about 15181.3053127852. The cubic root of 230472031 is about 613.1114258725. Note that the first 3 decimals are identical.

The spelling of 230472031 in words is "two hundred thirty million, four hundred seventy-two thousand, thirty-one".