15230313 has 24 divisors (see below), whose sum is σ = 25324416. Its totient is φ = 8640000.

The previous prime is 15230309. The next prime is 15230321. The reversal of 15230313 is 31303251.

15230313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15230313 - 2² = 15230309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15230323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8713 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (1055184).

Almost surely, 2^15230313 is an apocalyptic number.

It is an amenable number.

15230313 is a deficient number, since it is larger than the sum of its proper divisors (10094103).

15230313 is a wasteful number, since it uses less digits than its factorization.

15230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 15230313 is about 3902.6033618599. The cubic root of 15230313 is about 247.8770256166.

Adding to 15230313 its reverse (31303251), we get a palindrome (46533564).

The spelling of 15230313 in words is "fifteen million, two hundred thirty thousand, three hundred thirteen".