131321126266 has 32 divisors (see below), whose sum is σ = 216521885376. Its totient is φ = 59239488000.

The previous prime is 131321126263. The next prime is 131321126303. The reversal of 131321126266 is 662621123131.

It is not an unprimeable number, because it can be changed into a prime (131321126263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598556 + ... + 1678696.

It is an arithmetic number, because the mean of its divisors is an integer number (6766308918).

Almost surely, 2^131321126266 is an apocalyptic number.

131321126266 is a deficient number, since it is larger than the sum of its proper divisors (85200759110).

131321126266 is a wasteful number, since it uses less digits than its factorization.

131321126266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80718.

The product of its digits is 15552, while the sum is 34.

Adding to 131321126266 its reverse (662621123131), we get a palindrome (793942249397).

The spelling of 131321126266 in words is "one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-six thousand, two hundred sixty-six".