131222332423026 has 80 divisors (see below), whose sum is σ = 316658533191000. Its totient is φ = 40375437645312.

The previous prime is 131222332422943. The next prime is 131222332423027. The reversal of 131222332423026 is 620324233222131.

131222332423026 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 2 + 23 + 324 + 2 + 302 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 92893839041025 + 38328493382001 = 9638145^2 + 6191001^2 .

It is a super-3 number, since 3×131222332423026³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131222332423027) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 136091580 + ... + 137052408.

Almost surely, 2^{131222332423026} is an apocalyptic number.

131222332423026 is an abundant number, since it is smaller than the sum of its proper divisors (185436200767974).

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

131222332423026 is a wasteful number, since it uses less digits than its factorization.

131222332423026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025705 (or 1025696 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 131222332423026 its reverse (620324233222131), we get a palindrome (751546565645157).

The spelling of 131222332423026 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirty-two million, four hundred twenty-three thousand, twenty-six".