109293381 has 12 divisors (see below), whose sum is σ = 163715552. Its totient is φ = 72862092.

The previous prime is 109293343. The next prime is 109293409. The reversal of 109293381 is 183392901.

It is not a de Polignac number, because 109293381 - 2⁷ = 109293253 is a prime.

It is a super-2 number, since 2×109293381² = 23890086260822322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109293881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224641 + ... + 225126.

Almost surely, 2^109293381 is an apocalyptic number.

It is an amenable number.

109293381 is a deficient number, since it is larger than the sum of its proper divisors (54422171).

109293381 is an frugal number, since it uses more digits than its factorization.

109293381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449782 (or 449770 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 109293381 is about 10454.3474688763. The cubic root of 109293381 is about 478.1138087346.

The spelling of 109293381 in words is "one hundred nine million, two hundred ninety-three thousand, three hundred eighty-one".