131233113 has 24 divisors (see below), whose sum is σ = 207230400. Its totient is φ = 79366560.

The previous prime is 131233103. The next prime is 131233121. The reversal of 131233113 is 311332131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-131233113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131233103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58195 + ... + 60407.

It is an arithmetic number, because the mean of its divisors is an integer number (8634600).

Almost surely, 2^131233113 is an apocalyptic number.

It is an amenable number.

131233113 is a deficient number, since it is larger than the sum of its proper divisors (75997287).

131233113 is a wasteful number, since it uses less digits than its factorization.

131233113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2826 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 131233113 is about 11455.7022045792. The cubic root of 131233113 is about 508.1763820627.

Adding to 131233113 its reverse (311332131), we get a palindrome (442565244).

The spelling of 131233113 in words is "one hundred thirty-one million, two hundred thirty-three thousand, one hundred thirteen".