1100331123131 has 4 divisors (see below), whose sum is σ = 1100338394064. Its totient is φ = 1100323852200.

The previous prime is 1100331123119. The next prime is 1100331123139. The reversal of 1100331123131 is 1313211330011.

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 1100331123131 - 2³⁰ = 1099257381307 is a prime.

It is a super-2 number, since 2×1100331123131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100331123139) 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, 3403535 + ... + 3712776.

It is an arithmetic number, because the mean of its divisors is an integer number (275084598516).

Almost surely, 2^{1100331123131} is an apocalyptic number.

1100331123131 is a deficient number, since it is larger than the sum of its proper divisors (7270933).

1100331123131 is an equidigital number, since it uses as much as digits as its factorization.

1100331123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270932.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1100331123131 its reverse (1313211330011), we get a palindrome (2413542453142).

The spelling of 1100331123131 in words is "one trillion, one hundred billion, three hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-one".