131101233 has 8 divisors (see below), whose sum is σ = 175708128. Its totient is φ = 86947584.

The previous prime is 131101213. The next prime is 131101237. The reversal of 131101233 is 332101131.

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

It is not a de Polignac number, because 131101233 - 2¹² = 131097137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131101237) 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, 112635 + ... + 113792.

It is an arithmetic number, because the mean of its divisors is an integer number (21963516).

Almost surely, 2^131101233 is an apocalyptic number.

It is an amenable number.

131101233 is a deficient number, since it is larger than the sum of its proper divisors (44606895).

131101233 is a wasteful number, since it uses less digits than its factorization.

131101233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226623.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131101233 is about 11449.9446723554. The cubic root of 131101233 is about 508.0060978973.

Adding to 131101233 its reverse (332101131), we get a palindrome (463202364).

The spelling of 131101233 in words is "one hundred thirty-one million, one hundred one thousand, two hundred thirty-three".