1101434431 has 4 divisors (see below), whose sum is σ = 1116947664. Its totient is φ = 1085921200.

The previous prime is 1101434417. The next prime is 1101434441. The reversal of 1101434431 is 1344341011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1101434431 - 2¹³ = 1101426239 is a prime.

It is a super-2 number, since 2×1101434431² = 2426315611584587522, 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 (1101434401) 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, 7756510 + ... + 7756651.

It is an arithmetic number, because the mean of its divisors is an integer number (279236916).

Almost surely, 2^1101434431 is an apocalyptic number.

1101434431 is a deficient number, since it is larger than the sum of its proper divisors (15513233).

1101434431 is an equidigital number, since it uses as much as digits as its factorization.

1101434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15513232.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1101434431 is about 33187.8657192655. The cubic root of 1101434431 is about 1032.7286280092.

Adding to 1101434431 its reverse (1344341011), we get a palindrome (2445775442).

The spelling of 1101434431 in words is "one billion, one hundred one million, four hundred thirty-four thousand, four hundred thirty-one".