131022032 has 40 divisors (see below), whose sum is σ = 266831136. Its totient is φ = 62246016.

The previous prime is 131022011. The next prime is 131022037. The reversal of 131022032 is 230220131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131021998 and 131022016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022037) 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, 22883 + ... + 28029.

Almost surely, 2^131022032 is an apocalyptic number.

It is an amenable number.

131022032 is an abundant number, since it is smaller than the sum of its proper divisors (135809104).

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

131022032 is a wasteful number, since it uses less digits than its factorization.

131022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 131022032 is about 11446.4855741839. The cubic root of 131022032 is about 507.9037782498.

Adding to 131022032 its reverse (230220131), we get a palindrome (361242163).

The spelling of 131022032 in words is "one hundred thirty-one million, twenty-two thousand, thirty-two".