313320134 has 4 divisors (see below), whose sum is σ = 469980204. Its totient is φ = 156660066.

The previous prime is 313320113. The next prime is 313320151. The reversal of 313320134 is 431023313.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78330032 + ... + 78330035.

It is an arithmetic number, because the mean of its divisors is an integer number (117495051).

Almost surely, 2^313320134 is an apocalyptic number.

313320134 is a deficient number, since it is larger than the sum of its proper divisors (156660070).

313320134 is a wasteful number, since it uses less digits than its factorization.

313320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156660069.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 313320134 is about 17700.8512224695. The cubic root of 313320134 is about 679.1975352215.

Adding to 313320134 its reverse (431023313), we get a palindrome (744343447).

The spelling of 313320134 in words is "three hundred thirteen million, three hundred twenty thousand, one hundred thirty-four".