131232022231 has 8 divisors (see below), whose sum is σ = 137702782080. Its totient is φ = 124825014072.

The previous prime is 131232022193. The next prime is 131232022237. The reversal of 131232022231 is 132220232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131232022231 - 2¹⁵ = 131231989463 is a prime.

It is a super-2 number, since 2×131232022231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131232022237) 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, 15933705 + ... + 15941938.

It is an arithmetic number, because the mean of its divisors is an integer number (17212847760).

Almost surely, 2^131232022231 is an apocalyptic number.

131232022231 is a deficient number, since it is larger than the sum of its proper divisors (6470759849).

131232022231 is a wasteful number, since it uses less digits than its factorization.

131232022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31875845.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131232022231 its reverse (132220232131), we get a palindrome (263452254362).

The spelling of 131232022231 in words is "one hundred thirty-one billion, two hundred thirty-two million, twenty-two thousand, two hundred thirty-one".