131103233 has 4 divisors (see below), whose sum is σ = 131152560. Its totient is φ = 131053908.

The previous prime is 131103149. The next prime is 131103239. The reversal of 131103233 is 332301131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131103233 - 2⁸ = 131102977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131103239) 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, 20435 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (32788140).

Almost surely, 2^131103233 is an apocalyptic number.

It is an amenable number.

131103233 is a deficient number, since it is larger than the sum of its proper divisors (49327).

131103233 is an equidigital number, since it uses as much as digits as its factorization.

131103233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49326.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131103233 is about 11450.0320086889. The cubic root of 131103233 is about 508.0086811607.

Adding to 131103233 its reverse (332301131), we get a palindrome (463404364).

The spelling of 131103233 in words is "one hundred thirty-one million, one hundred three thousand, two hundred thirty-three".