2116456111031 has 2 divisors, whose sum is σ = 2116456111032. Its totient is φ = 2116456111030.

The previous prime is 2116456111027. The next prime is 2116456111051. The reversal of 2116456111031 is 1301116546112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116456111031 - 2² = 2116456111027 is a prime.

It is a super-2 number, since 2×2116456111031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116456111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058228055515 + 1058228055516.

It is an arithmetic number, because the mean of its divisors is an integer number (1058228055516).

Almost surely, 2^{2116456111031} is an apocalyptic number.

2116456111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116456111031 is an equidigital number, since it uses as much as digits as its factorization.

2116456111031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 2116456111031 in words is "two trillion, one hundred sixteen billion, four hundred fifty-six million, one hundred eleven thousand, thirty-one".