15313000 has 32 divisors (see below), whose sum is σ = 35834760. Its totient is φ = 6124800.

The previous prime is 15312989. The next prime is 15313019. The reversal of 15313000 is 31351.

It can be written as a sum of positive squares in 4 ways, for example, as 521284 + 14791716 = 722^2 + 3846^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6657 + ... + 8656.

Almost surely, 2^15313000 is an apocalyptic number.

15313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15313000 is an abundant number, since it is smaller than the sum of its proper divisors (20521760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15313000 is a wasteful number, since it uses less digits than its factorization.

15313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15334 (or 15320 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 15313000 is about 3913.1828477596. The cubic root of 15313000 is about 248.3247998909.

Adding to 15313000 its reverse (31351), we get a palindrome (15344351).

The spelling of 15313000 in words is "fifteen million, three hundred thirteen thousand".