131333712 has 40 divisors (see below), whose sum is σ = 340763904. Its totient is φ = 43586304.

The previous prime is 131333711. The next prime is 131333717. The reversal of 131333712 is 217333131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5313 + ... + 17055.

Almost surely, 2^131333712 is an apocalyptic number.

131333712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131333712 is an abundant number, since it is smaller than the sum of its proper divisors (209430192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131333712 is a wasteful number, since it uses less digits than its factorization.

131333712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987 (or 11981 counting only the distinct ones).

The product of its digits is 1134, while the sum is 24.

The square root of 131333712 is about 11460.0921462264. The cubic root of 131333712 is about 508.3061993459.

Adding to 131333712 its reverse (217333131), we get a palindrome (348666843).

The spelling of 131333712 in words is "one hundred thirty-one million, three hundred thirty-three thousand, seven hundred twelve".