310120013 has 16 divisors (see below), whose sum is σ = 361912320. Its totient is φ = 260222976.

The previous prime is 310120003. The next prime is 310120037. The reversal of 310120013 is 310021013.

It is a cyclic number.

It is not a de Polignac number, because 310120013 - 2⁶ = 310119949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 310119976 and 310120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310120003) 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, 284756 + ... + 285842.

It is an arithmetic number, because the mean of its divisors is an integer number (22619520).

Almost surely, 2^310120013 is an apocalyptic number.

It is an amenable number.

310120013 is a deficient number, since it is larger than the sum of its proper divisors (51792307).

310120013 is a wasteful number, since it uses less digits than its factorization.

310120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 310120013 is about 17610.2246720478. The cubic root of 310120013 is about 676.8772711380.

Adding to 310120013 its reverse (310021013), we get a palindrome (620141026).

The spelling of 310120013 in words is "three hundred ten million, one hundred twenty thousand, thirteen".