310203123204013 has 12 divisors (see below), whose sum is σ = 335900925685908. Its totient is φ = 286340916276480.

The previous prime is 310203123203977. The next prime is 310203123204059. The reversal of 310203123204013 is 310402321302013.

It can be written as a sum of positive squares in 6 ways, for example, as 5727774798729 + 304475348405284 = 2393277^2 + 17449222^2 .

It is a de Polignac number, because none of the positive numbers 2^k-310203123204013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310203123204613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194040831 + ... + 195632947.

It is an arithmetic number, because the mean of its divisors is an integer number (27991743807159).

Almost surely, 2^{310203123204013} is an apocalyptic number.

It is an amenable number.

310203123204013 is a deficient number, since it is larger than the sum of its proper divisors (25697802481895).

310203123204013 is a wasteful number, since it uses less digits than its factorization.

310203123204013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745024 (or 2745011 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 310203123204013 its reverse (310402321302013), we get a palindrome (620605444506026).

The spelling of 310203123204013 in words is "three hundred ten trillion, two hundred three billion, one hundred twenty-three million, two hundred four thousand, thirteen".