30232313 has 4 divisors (see below), whose sum is σ = 30802788. Its totient is φ = 29661840.

The previous prime is 30232303. The next prime is 30232337. The reversal of 30232313 is 31323203.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25725184 + 4507129 = 5072^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232313 - 2¹⁸ = 29970169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30232291 and 30232300.

It is not an unprimeable number, because it can be changed into a prime (30232303) 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, 285158 + ... + 285263.

It is an arithmetic number, because the mean of its divisors is an integer number (7700697).

Almost surely, 2^30232313 is an apocalyptic number.

It is an amenable number.

30232313 is a deficient number, since it is larger than the sum of its proper divisors (570475).

30232313 is an equidigital number, since it uses as much as digits as its factorization.

30232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570474.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30232313 is about 5498.3918558066. The cubic root of 30232313 is about 311.5232452614.

Adding to 30232313 its reverse (31323203), we get a palindrome (61555516).

The spelling of 30232313 in words is "thirty million, two hundred thirty-two thousand, three hundred thirteen".