18107231101 has 2 divisors, whose sum is σ = 18107231102. Its totient is φ = 18107231100.

The previous prime is 18107231027. The next prime is 18107231123. The reversal of 18107231101 is 10113270181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10034028900 + 8073202201 = 100170^2 + 89851^2 .

It is a cyclic number.

It is not a de Polignac number, because 18107231101 - 2²⁹ = 17570360189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18107231201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053615550 + 9053615551.

It is an arithmetic number, because the mean of its divisors is an integer number (9053615551).

Almost surely, 2^18107231101 is an apocalyptic number.

It is an amenable number.

18107231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18107231101 is an equidigital number, since it uses as much as digits as its factorization.

18107231101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 25.

The spelling of 18107231101 in words is "eighteen billion, one hundred seven million, two hundred thirty-one thousand, one hundred one".