131332697 has 2 divisors, whose sum is σ = 131332698. Its totient is φ = 131332696.

The previous prime is 131332673. The next prime is 131332727. The reversal of 131332697 is 796233131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85581001 + 45751696 = 9251^2 + 6764^2 .

It is a cyclic number.

It is not a de Polignac number, because 131332697 - 2¹⁶ = 131267161 is a prime.

It is not a weakly prime, because it can be changed into another prime (131332657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666348 + 65666349.

It is an arithmetic number, because the mean of its divisors is an integer number (65666349).

Almost surely, 2^131332697 is an apocalyptic number.

It is an amenable number.

131332697 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332697 is an equidigital number, since it uses as much as digits as its factorization.

131332697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The square root of 131332697 is about 11460.0478620292. The cubic root of 131332697 is about 508.3048898773.

The spelling of 131332697 in words is "one hundred thirty-one million, three hundred thirty-two thousand, six hundred ninety-seven".