230431215 has 32 divisors (see below), whose sum is σ = 434958336. Its totient is φ = 101940480.

The previous prime is 230431207. The next prime is 230431231. The reversal of 230431215 is 512134032.

It is not a de Polignac number, because 230431215 - 2³ = 230431207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 230431191 and 230431200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32142 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (13592448).

Almost surely, 2^230431215 is an apocalyptic number.

230431215 is a deficient number, since it is larger than the sum of its proper divisors (204527121).

230431215 is a wasteful number, since it uses less digits than its factorization.

230431215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70839.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 230431215 is about 15179.9609683293. The cubic root of 230431215 is about 613.0752302537.

Adding to 230431215 its reverse (512134032), we get a palindrome (742565247).

The spelling of 230431215 in words is "two hundred thirty million, four hundred thirty-one thousand, two hundred fifteen".