109099631 has 2 divisors, whose sum is σ = 109099632. Its totient is φ = 109099630.

The previous prime is 109099621. The next prime is 109099637. The reversal of 109099631 is 136990901.

It is a strong prime.

It is an emirp because it is prime and its reverse (136990901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109099631 - 2⁶ = 109099567 is a prime.

It is a super-2 number, since 2×109099631² = 23805458968672322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109099637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54549815 + 54549816.

It is an arithmetic number, because the mean of its divisors is an integer number (54549816).

Almost surely, 2^109099631 is an apocalyptic number.

109099631 is a deficient number, since it is larger than the sum of its proper divisors (1).

109099631 is an equidigital number, since it uses as much as digits as its factorization.

109099631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 109099631 is about 10445.0768786065. The cubic root of 109099631 is about 477.8311159710.

The spelling of 109099631 in words is "one hundred nine million, ninety-nine thousand, six hundred thirty-one".