230400031 has 8 divisors (see below), whose sum is σ = 244624320. Its totient is φ = 216250368.

The previous prime is 230400017. The next prime is 230400059. The reversal of 230400031 is 130004032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230400031 - 2¹³ = 230391839 is a prime.

It is a super-2 number, since 2×230400031² = 106168348569601922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230399984 and 230400020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230490031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12226 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (30578040).

Almost surely, 2^230400031 is an apocalyptic number.

230400031 is a deficient number, since it is larger than the sum of its proper divisors (14224289).

230400031 is a wasteful number, since it uses less digits than its factorization.

230400031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37313.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230400031 is about 15178.9337899603. The cubic root of 230400031 is about 613.0475734097.

Adding to 230400031 its reverse (130004032), we get a palindrome (360404063).

The spelling of 230400031 in words is "two hundred thirty million, four hundred thousand, thirty-one".