109204731 has 12 divisors (see below), whose sum is σ = 158138760. Its totient is φ = 72619200.

The previous prime is 109204729. The next prime is 109204741. The reversal of 109204731 is 137402901.

It is not a de Polignac number, because 109204731 - 2¹ = 109204729 is a prime.

It is a super-2 number, since 2×109204731² = 23851346545564722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 109204695 and 109204704.

It is not an unprimeable number, because it can be changed into a prime (109204741) 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, 11521 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (13178230).

Almost surely, 2^109204731 is an apocalyptic number.

109204731 is a deficient number, since it is larger than the sum of its proper divisors (48934029).

109204731 is a wasteful number, since it uses less digits than its factorization.

109204731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30666 (or 30663 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 109204731 is about 10450.1067458663. The cubic root of 109204731 is about 477.9845046126.

It can be divided in two parts, 10920 and 4731, that added together give a palindrome (15651).

The spelling of 109204731 in words is "one hundred nine million, two hundred four thousand, seven hundred thirty-one".