131333022 has 16 divisors (see below), whose sum is σ = 291851280. Its totient is φ = 43777656.

The previous prime is 131333011. The next prime is 131333029. The reversal of 131333022 is 220333131.

131333022 is a `hidden beast` number, since 1 + 313 + 330 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131332986 and 131333004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333029) 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, 1215993 + ... + 1216100.

It is an arithmetic number, because the mean of its divisors is an integer number (18240705).

Almost surely, 2^131333022 is an apocalyptic number.

131333022 is an abundant number, since it is smaller than the sum of its proper divisors (160518258).

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

131333022 is a wasteful number, since it uses less digits than its factorization.

131333022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432104 (or 2432098 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 131333022 is about 11460.0620417169. The cubic root of 131333022 is about 508.3053091660.

Adding to 131333022 its reverse (220333131), we get a palindrome (351666153).

The spelling of 131333022 in words is "one hundred thirty-one million, three hundred thirty-three thousand, twenty-two".