109458831 has 4 divisors (see below), whose sum is σ = 145945112. Its totient is φ = 72972552.

The previous prime is 109458809. The next prime is 109458857. The reversal of 109458831 is 138854901.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 109458831 - 2⁷ = 109458703 is a prime.

It is a super-2 number, since 2×109458831² = 23962471367773122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109458831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109458871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18243136 + ... + 18243141.

It is an arithmetic number, because the mean of its divisors is an integer number (36486278).

Almost surely, 2^109458831 is an apocalyptic number.

109458831 is a deficient number, since it is larger than the sum of its proper divisors (36486281).

109458831 is an equidigital number, since it uses as much as digits as its factorization.

109458831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36486280.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 109458831 is about 10462.2574523857. The cubic root of 109458831 is about 478.3549457739.

The spelling of 109458831 in words is "one hundred nine million, four hundred fifty-eight thousand, eight hundred thirty-one".