131011233 has 8 divisors (see below), whose sum is σ = 174739488. Its totient is φ = 87311904.

The previous prime is 131011229. The next prime is 131011247. The reversal of 131011233 is 332110131.

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

It is not a de Polignac number, because 131011233 - 2² = 131011229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131011273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (21842436).

Almost surely, 2^131011233 is an apocalyptic number.

It is an amenable number.

131011233 is a deficient number, since it is larger than the sum of its proper divisors (43728255).

131011233 is a wasteful number, since it uses less digits than its factorization.

131011233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463.

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

The square root of 131011233 is about 11446.0138476240. The cubic root of 131011233 is about 507.8898238445.

Adding to 131011233 its reverse (332110131), we get a palindrome (463121364).

The spelling of 131011233 in words is "one hundred thirty-one million, eleven thousand, two hundred thirty-three".