1108938333931 has 2 divisors, whose sum is σ = 1108938333932. Its totient is φ = 1108938333930.

The previous prime is 1108938333907. The next prime is 1108938333959. The reversal of 1108938333931 is 1393338398011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1108938333931 - 2²³ = 1108929945323 is a prime.

It is a super-2 number, since 2×1108938333931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1108938333901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554469166965 + 554469166966.

It is an arithmetic number, because the mean of its divisors is an integer number (554469166966).

Almost surely, 2^{1108938333931} is an apocalyptic number.

1108938333931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108938333931 is an equidigital number, since it uses as much as digits as its factorization.

1108938333931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 1108938333931 in words is "one trillion, one hundred eight billion, nine hundred thirty-eight million, three hundred thirty-three thousand, nine hundred thirty-one".