311122000619 has 2 divisors, whose sum is σ = 311122000620. Its totient is φ = 311122000618.

The previous prime is 311122000559. The next prime is 311122000681. The reversal of 311122000619 is 916000221113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311122000619 is a prime.

It is a super-2 number, since 2×311122000619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311122000699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155561000309 + 155561000310.

It is an arithmetic number, because the mean of its divisors is an integer number (155561000310).

Almost surely, 2^311122000619 is an apocalyptic number.

311122000619 is a deficient number, since it is larger than the sum of its proper divisors (1).

311122000619 is an equidigital number, since it uses as much as digits as its factorization.

311122000619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 311122000619 in words is "three hundred eleven billion, one hundred twenty-two million, six hundred nineteen", and thus it is an aban number.