313000045 has 8 divisors (see below), whose sum is σ = 388551960. Its totient is φ = 241765440.

The previous prime is 313000013. The next prime is 313000049. The reversal of 313000045 is 540000313.

It can be written as a sum of positive squares in 4 ways, for example, as 346921 + 312653124 = 589^2 + 17682^2 .

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

It is not a de Polignac number, because 313000045 - 2⁵ = 313000013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312999992 and 313000028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000049) 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, 1079166 + ... + 1079455.

It is an arithmetic number, because the mean of its divisors is an integer number (48568995).

Almost surely, 2^313000045 is an apocalyptic number.

It is an amenable number.

313000045 is a deficient number, since it is larger than the sum of its proper divisors (75551915).

313000045 is a wasteful number, since it uses less digits than its factorization.

313000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158655.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 313000045 is about 17691.8072847293. The cubic root of 313000045 is about 678.9661661821.

Adding to 313000045 its reverse (540000313), we get a palindrome (853000358).

The spelling of 313000045 in words is "three hundred thirteen million, forty-five", and thus it is an aban number.