131275382669 has 2 divisors, whose sum is σ = 131275382670. Its totient is φ = 131275382668.

The previous prime is 131275382639. The next prime is 131275382687. The reversal of 131275382669 is 966283572131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129987649444 + 1287733225 = 360538^2 + 35885^2 .

It is a cyclic number.

It is not a de Polignac number, because 131275382669 - 2¹² = 131275378573 is a prime.

It is a super-2 number, since 2×131275382669² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131275382669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131275382639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65637691334 + 65637691335.

It is an arithmetic number, because the mean of its divisors is an integer number (65637691335).

Almost surely, 2^131275382669 is an apocalyptic number.

It is an amenable number.

131275382669 is a deficient number, since it is larger than the sum of its proper divisors (1).

131275382669 is an equidigital number, since it uses as much as digits as its factorization.

131275382669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The spelling of 131275382669 in words is "one hundred thirty-one billion, two hundred seventy-five million, three hundred eighty-two thousand, six hundred sixty-nine".