1323431103 has 8 divisors (see below), whose sum is σ = 1767950848. Its totient is φ = 880599384.

The previous prime is 1323431077. The next prime is 1323431107. The reversal of 1323431103 is 3011343231.

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

It is not a de Polignac number, because 1323431103 - 2⁸ = 1323430847 is a prime.

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 1323431103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323431107) 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, 420175 + ... + 423312.

It is an arithmetic number, because the mean of its divisors is an integer number (220993856).

Almost surely, 2^1323431103 is an apocalyptic number.

1323431103 is a deficient number, since it is larger than the sum of its proper divisors (444519745).

1323431103 is an equidigital number, since it uses as much as digits as its factorization.

1323431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844013.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1323431103 is about 36378.9926056234. The cubic root of 1323431103 is about 1097.9109394885.

Adding to 1323431103 its reverse (3011343231), we get a palindrome (4334774334).

The spelling of 1323431103 in words is "one billion, three hundred twenty-three million, four hundred thirty-one thousand, one hundred three".