313015013 has 2 divisors, whose sum is σ = 313015014. Its totient is φ = 313015012.

The previous prime is 313014991. The next prime is 313015019. The reversal of 313015013 is 310510313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214271044 + 98743969 = 14638^2 + 9937^2 .

It is a cyclic number.

It is not a de Polignac number, because 313015013 - 2¹² = 313010917 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 313014982 and 313015000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313015019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156507506 + 156507507.

It is an arithmetic number, because the mean of its divisors is an integer number (156507507).

Almost surely, 2^313015013 is an apocalyptic number.

It is an amenable number.

313015013 is a deficient number, since it is larger than the sum of its proper divisors (1).

313015013 is an equidigital number, since it uses as much as digits as its factorization.

313015013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 313015013 is about 17692.2303003324. The cubic root of 313015013 is about 678.9769889745.

Adding to 313015013 its reverse (310510313), we get a palindrome (623525326).

The spelling of 313015013 in words is "three hundred thirteen million, fifteen thousand, thirteen".