110640431 has 12 divisors (see below), whose sum is σ = 122069880. Its totient is φ = 99452160.

The previous prime is 110640421. The next prime is 110640433. The reversal of 110640431 is 134046011.

It is not a de Polignac number, because 110640431 - 2¹⁴ = 110624047 is a prime.

It is a super-2 number, since 2×110640431² = 24482609943731522, 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 (110640433) 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, 102965 + ... + 104033.

It is an arithmetic number, because the mean of its divisors is an integer number (10172490).

Almost surely, 2^110640431 is an apocalyptic number.

110640431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

110640431 is a deficient number, since it is larger than the sum of its proper divisors (11429449).

110640431 is an equidigital number, since it uses as much as digits as its factorization.

110640431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 110640431 is about 10518.5755214287. The cubic root of 110640431 is about 480.0700577720.

Adding to 110640431 its reverse (134046011), we get a palindrome (244686442).

The spelling of 110640431 in words is "one hundred ten million, six hundred forty thousand, four hundred thirty-one".