1103431413 has 8 divisors (see below), whose sum is σ = 1681419328. Its totient is φ = 630532224.

The previous prime is 1103431387. The next prime is 1103431457. The reversal of 1103431413 is 3141343011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103431413 - 2⁹ = 1103430901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 52544353 = 1103431413 / (1 + 1 + 0 + 3 + 4 + 3 + 1 + 4 + 1 + 3).

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 1103431413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103431493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26272156 + ... + 26272197.

It is an arithmetic number, because the mean of its divisors is an integer number (210177416).

Almost surely, 2^1103431413 is an apocalyptic number.

It is an amenable number.

1103431413 is a deficient number, since it is larger than the sum of its proper divisors (577987915).

1103431413 is an equidigital number, since it uses as much as digits as its factorization.

1103431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52544363.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1103431413 is about 33217.9381208407. The cubic root of 1103431413 is about 1033.3523889537.

Adding to 1103431413 its reverse (3141343011), we get a palindrome (4244774424).

The spelling of 1103431413 in words is "one billion, one hundred three million, four hundred thirty-one thousand, four hundred thirteen".