313709145 has 16 divisors (see below), whose sum is σ = 503807040. Its totient is φ = 166687424.

The previous prime is 313709141. The next prime is 313709183. The reversal of 313709145 is 541907313.

It is a cyclic number.

It is not a de Polignac number, because 313709145 - 2² = 313709141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313709141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34839 + ... + 42908.

It is an arithmetic number, because the mean of its divisors is an integer number (31487940).

Almost surely, 2^313709145 is an apocalyptic number.

It is an amenable number.

313709145 is a deficient number, since it is larger than the sum of its proper divisors (190097895).

313709145 is a wasteful number, since it uses less digits than its factorization.

313709145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78024.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 313709145 is about 17711.8362966690. The cubic root of 313709145 is about 679.4785109300.

The spelling of 313709145 in words is "three hundred thirteen million, seven hundred nine thousand, one hundred forty-five".