131022292 has 6 divisors (see below), whose sum is σ = 229289018. Its totient is φ = 65511144.

The previous prime is 131022289. The next prime is 131022293. The reversal of 131022292 is 292220131.

It can be written as a sum of positive squares in only one way, i.e., 129868816 + 1153476 = 11396^2 + 1074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16377783 + ... + 16377790.

Almost surely, 2^131022292 is an apocalyptic number.

It is an amenable number.

131022292 is a deficient number, since it is larger than the sum of its proper divisors (98266726).

131022292 is a wasteful number, since it uses less digits than its factorization.

131022292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32755577 (or 32755575 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 131022292 is about 11446.4969313760. The cubic root of 131022292 is about 507.9041142108.

The spelling of 131022292 in words is "one hundred thirty-one million, twenty-two thousand, two hundred ninety-two".