1100320131 has 8 divisors (see below), whose sum is σ = 1472278720. Its totient is φ = 730954152.

The previous prime is 1100320129. The next prime is 1100320139. The reversal of 1100320131 is 1310230011.

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

It is not a de Polignac number, because 1100320131 - 2¹ = 1100320129 is a prime.

It is a super-2 number, since 2×1100320131² = 2421408781367714322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100320139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647161 + ... + 648858.

It is an arithmetic number, because the mean of its divisors is an integer number (184034840).

Almost surely, 2^1100320131 is an apocalyptic number.

1100320131 is a deficient number, since it is larger than the sum of its proper divisors (371958589).

1100320131 is a wasteful number, since it uses less digits than its factorization.

1100320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296305.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1100320131 is about 33171.0737088808. The cubic root of 1100320131 is about 1032.3802466117.

Adding to 1100320131 its reverse (1310230011), we get a palindrome (2410550142).

The spelling of 1100320131 in words is "one billion, one hundred million, three hundred twenty thousand, one hundred thirty-one".