1103323320231 has 16 divisors (see below), whose sum is σ = 1604852388480. Its totient is φ = 668673105120.

The previous prime is 1103323320223. The next prime is 1103323320241. The reversal of 1103323320231 is 1320233233011.

It is not a de Polignac number, because 1103323320231 - 2³ = 1103323320223 is a prime.

It is a super-2 number, since 2×1103323320231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323320241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249356 + ... + 4501518.

It is an arithmetic number, because the mean of its divisors is an integer number (100303274280).

Almost surely, 2^{1103323320231} is an apocalyptic number.

1103323320231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1103323320231 is a deficient number, since it is larger than the sum of its proper divisors (501529068249).

1103323320231 is a wasteful number, since it uses less digits than its factorization.

1103323320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384766.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1103323320231 its reverse (1320233233011), we get a palindrome (2423556553242).

The spelling of 1103323320231 in words is "one trillion, one hundred three billion, three hundred twenty-three million, three hundred twenty thousand, two hundred thirty-one".