230545031 has 8 divisors (see below), whose sum is σ = 253230720. Its totient is φ = 208914552.

The previous prime is 230545013. The next prime is 230545061. The reversal of 230545031 is 130545032.

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 230545031 - 2¹⁰ = 230544007 is a prime.

It is a super-2 number, since 2×230545031² = 106302022637581922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230544988 and 230545006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230545061) 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, 263345 + ... + 264218.

It is an arithmetic number, because the mean of its divisors is an integer number (31653840).

Almost surely, 2^230545031 is an apocalyptic number.

230545031 is a deficient number, since it is larger than the sum of its proper divisors (22685689).

230545031 is a wasteful number, since it uses less digits than its factorization.

230545031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527605.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 230545031 is about 15183.7093952697. The cubic root of 230545031 is about 613.1761515998.

Subtracting from 230545031 its reverse (130545032), we obtain a palindrome (99999999).

The spelling of 230545031 in words is "two hundred thirty million, five hundred forty-five thousand, thirty-one".