311012031013 has 16 divisors (see below), whose sum is σ = 324190855296. Its totient is φ = 298131183360.

The previous prime is 311012030981. The next prime is 311012031017. The reversal of 311012031013 is 310130210113.

It is a cyclic number.

It is not a de Polignac number, because 311012031013 - 2⁵ = 311012030981 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 (311012031017) 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, 589606 + ... + 984712.

It is an arithmetic number, because the mean of its divisors is an integer number (20261928456).

Almost surely, 2^311012031013 is an apocalyptic number.

It is an amenable number.

311012031013 is a deficient number, since it is larger than the sum of its proper divisors (13178824283).

311012031013 is a wasteful number, since it uses less digits than its factorization.

311012031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395484.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 311012031013 its reverse (310130210113), we get a palindrome (621142241126).

The spelling of 311012031013 in words is "three hundred eleven billion, twelve million, thirty-one thousand, thirteen".