110331431993 has 2 divisors, whose sum is σ = 110331431994. Its totient is φ = 110331431992.

The previous prime is 110331431983. The next prime is 110331432037. The reversal of 110331431993 is 399134133011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73241679424 + 37089752569 = 270632^2 + 192587^2 .

It is a cyclic number.

It is not a de Polignac number, because 110331431993 - 2⁶ = 110331431929 is a prime.

It is not a weakly prime, because it can be changed into another prime (110331431923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55165715996 + 55165715997.

It is an arithmetic number, because the mean of its divisors is an integer number (55165715997).

Almost surely, 2^110331431993 is an apocalyptic number.

It is an amenable number.

110331431993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110331431993 is an equidigital number, since it uses as much as digits as its factorization.

110331431993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 38.

The spelling of 110331431993 in words is "one hundred ten billion, three hundred thirty-one million, four hundred thirty-one thousand, nine hundred ninety-three".