311200010131 has 2 divisors, whose sum is σ = 311200010132. Its totient is φ = 311200010130.

The previous prime is 311200010057. The next prime is 311200010161. The reversal of 311200010131 is 131010002113.

It is a strong prime.

It is an emirp because it is prime and its reverse (131010002113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311200010131 is a prime.

It is a super-2 number, since 2×311200010131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311200010161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155600005065 + 155600005066.

It is an arithmetic number, because the mean of its divisors is an integer number (155600005066).

Almost surely, 2^311200010131 is an apocalyptic number.

311200010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

311200010131 is an equidigital number, since it uses as much as digits as its factorization.

311200010131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 311200010131 its reverse (131010002113), we get a palindrome (442210012244).

The spelling of 311200010131 in words is "three hundred eleven billion, two hundred million, ten thousand, one hundred thirty-one".