313236087 has 4 divisors (see below), whose sum is σ = 417648120. Its totient is φ = 208824056.

The previous prime is 313236031. The next prime is 313236089. The reversal of 313236087 is 780632313.

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

It is a cyclic number.

It is not a de Polignac number, because 313236087 - 2⁸ = 313235831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313236089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52206012 + ... + 52206017.

It is an arithmetic number, because the mean of its divisors is an integer number (104412030).

Almost surely, 2^313236087 is an apocalyptic number.

313236087 is a deficient number, since it is larger than the sum of its proper divisors (104412033).

313236087 is a wasteful number, since it uses less digits than its factorization.

313236087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104412032.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 313236087 is about 17698.4769683722. The cubic root of 313236087 is about 679.1367990244.

The spelling of 313236087 in words is "three hundred thirteen million, two hundred thirty-six thousand, eighty-seven".