313434687 has 8 divisors (see below), whose sum is σ = 417995440. Its totient is φ = 208915200.

The previous prime is 313434679. The next prime is 313434689. The reversal of 313434687 is 786434313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313434687 - 2³ = 313434679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313434689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20937 + ... + 32637.

It is an arithmetic number, because the mean of its divisors is an integer number (52249430).

Almost surely, 2^313434687 is an apocalyptic number.

313434687 is a deficient number, since it is larger than the sum of its proper divisors (104560753).

313434687 is a wasteful number, since it uses less digits than its factorization.

313434687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20633.

The product of its digits is 145152, while the sum is 39.

The square root of 313434687 is about 17704.0867315996. The cubic root of 313434687 is about 679.2802989582.

The spelling of 313434687 in words is "three hundred thirteen million, four hundred thirty-four thousand, six hundred eighty-seven".