131933332 has 6 divisors (see below), whose sum is σ = 230883338. Its totient is φ = 65966664.

The previous prime is 131933297. The next prime is 131933339. The reversal of 131933332 is 233339131.

It can be written as a sum of positive squares in only one way, i.e., 131882256 + 51076 = 11484^2 + 226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131933332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131933339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16491663 + ... + 16491670.

Almost surely, 2^131933332 is an apocalyptic number.

It is an amenable number.

131933332 is a deficient number, since it is larger than the sum of its proper divisors (98950006).

131933332 is a wasteful number, since it uses less digits than its factorization.

131933332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32983337 (or 32983335 counting only the distinct ones).

The product of its digits is 4374, while the sum is 28.

The square root of 131933332 is about 11486.2235743520. The cubic root of 131933332 is about 509.0786029145.

The spelling of 131933332 in words is "one hundred thirty-one million, nine hundred thirty-three thousand, three hundred thirty-two".