311023132201 has 2 divisors, whose sum is σ = 311023132202. Its totient is φ = 311023132200.

The previous prime is 311023132177. The next prime is 311023132213. The reversal of 311023132201 is 102231320113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218089000000 + 92934132201 = 467000^2 + 304851^2 .

It is a cyclic number.

It is not a de Polignac number, because 311023132201 - 2⁷ = 311023132073 is a prime.

It is not a weakly prime, because it can be changed into another prime (311023132261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155511566100 + 155511566101.

It is an arithmetic number, because the mean of its divisors is an integer number (155511566101).

Almost surely, 2^311023132201 is an apocalyptic number.

It is an amenable number.

311023132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

311023132201 is an equidigital number, since it uses as much as digits as its factorization.

311023132201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311023132201 its reverse (102231320113), we get a palindrome (413254452314).

The spelling of 311023132201 in words is "three hundred eleven billion, twenty-three million, one hundred thirty-two thousand, two hundred one".