230403331 has 4 divisors (see below), whose sum is σ = 235761592. Its totient is φ = 225045072.

The previous prime is 230403301. The next prime is 230403343. The reversal of 230403331 is 133304032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230403331 is a prime.

It is a super-2 number, since 2×230403331² = 106171389871791122, 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 = 230403299 and 230403308.

It is not an unprimeable number, because it can be changed into a prime (230403301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679066 + ... + 2679151.

It is an arithmetic number, because the mean of its divisors is an integer number (58940398).

Almost surely, 2^230403331 is an apocalyptic number.

230403331 is a deficient number, since it is larger than the sum of its proper divisors (5358261).

230403331 is an equidigital number, since it uses as much as digits as its factorization.

230403331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358260.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230403331 is about 15179.0424928584. The cubic root of 230403331 is about 613.0505002718.

Adding to 230403331 its reverse (133304032), we get a palindrome (363707363).

The spelling of 230403331 in words is "two hundred thirty million, four hundred three thousand, three hundred thirty-one".