230520031 has 8 divisors (see below), whose sum is σ = 267162624. Its totient is φ = 194805240.

The previous prime is 230520023. The next prime is 230520047. The reversal of 230520031 is 130025032.

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

It is not a de Polignac number, because 230520031 - 2³ = 230520023 is a prime.

It is a super-2 number, since 2×230520031² = 106278969384481922, 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 = 230519987 and 230520014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230520011) 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, 231415 + ... + 232408.

It is an arithmetic number, because the mean of its divisors is an integer number (33395328).

Almost surely, 2^230520031 is an apocalyptic number.

230520031 is a deficient number, since it is larger than the sum of its proper divisors (36642593).

230520031 is an equidigital number, since it uses as much as digits as its factorization.

230520031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463901.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230520031 is about 15182.8861222101. The cubic root of 230520031 is about 613.1539867934.

Adding to 230520031 its reverse (130025032), we get a palindrome (360545063).

The spelling of 230520031 in words is "two hundred thirty million, five hundred twenty thousand, thirty-one".