110431144391 has 2 divisors, whose sum is σ = 110431144392. Its totient is φ = 110431144390.

The previous prime is 110431144381. The next prime is 110431144423. The reversal of 110431144391 is 193441134011.

It is an a-pointer prime, because the next prime (110431144423) can be obtained adding 110431144391 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110431144391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110431144301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55215572195 + 55215572196.

It is an arithmetic number, because the mean of its divisors is an integer number (55215572196).

Almost surely, 2^110431144391 is an apocalyptic number.

110431144391 is a deficient number, since it is larger than the sum of its proper divisors (1).

110431144391 is an equidigital number, since it uses as much as digits as its factorization.

110431144391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 110431144391 in words is "one hundred ten billion, four hundred thirty-one million, one hundred forty-four thousand, three hundred ninety-one".