1101100431 has 4 divisors (see below), whose sum is σ = 1468133912. Its totient is φ = 734066952.

The previous prime is 1101100417. The next prime is 1101100463. The reversal of 1101100431 is 1340011011.

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

It is not a de Polignac number, because 1101100431 - 2⁹ = 1101099919 is a prime.

It is a super-2 number, since 2×1101100431² = 2424844318296771522, 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 (1101100411) 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, 183516736 + ... + 183516741.

It is an arithmetic number, because the mean of its divisors is an integer number (367033478).

Almost surely, 2^1101100431 is an apocalyptic number.

1101100431 is a deficient number, since it is larger than the sum of its proper divisors (367033481).

1101100431 is an equidigital number, since it uses as much as digits as its factorization.

1101100431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367033480.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1101100431 is about 33182.8333781189. The cubic root of 1101100431 is about 1032.6242289263.

Adding to 1101100431 its reverse (1340011011), we get a palindrome (2441111442).

The spelling of 1101100431 in words is "one billion, one hundred one million, one hundred thousand, four hundred thirty-one".