1103232131 has 4 divisors (see below), whose sum is σ = 1161297000. Its totient is φ = 1045167264.

The previous prime is 1103232127. The next prime is 1103232139. The reversal of 1103232131 is 1312323011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312323011 = 1373 ⋅955807.

It is a cyclic number.

It is not a de Polignac number, because 1103232131 - 2² = 1103232127 is a prime.

It is a super-2 number, since 2×1103232131² = 2434242269741602322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103232139) 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, 29032406 + ... + 29032443.

It is an arithmetic number, because the mean of its divisors is an integer number (290324250).

Almost surely, 2^1103232131 is an apocalyptic number.

1103232131 is a deficient number, since it is larger than the sum of its proper divisors (58064869).

1103232131 is an equidigital number, since it uses as much as digits as its factorization.

1103232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58064868.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1103232131 is about 33214.9383711606. The cubic root of 1103232131 is about 1033.2901766807.

Adding to 1103232131 its reverse (1312323011), we get a palindrome (2415555142).

The spelling of 1103232131 in words is "one billion, one hundred three million, two hundred thirty-two thousand, one hundred thirty-one".