131795801 has 2 divisors, whose sum is σ = 131795802. Its totient is φ = 131795800.

The previous prime is 131795777. The next prime is 131795803. The reversal of 131795801 is 108597131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120472576 + 11323225 = 10976^2 + 3365^2 .

It is an emirp because it is prime and its reverse (108597131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131795801 - 2⁶ = 131795737 is a prime.

It is a super-2 number, since 2×131795801² = 34740266322463202, which contains 22 as substring.

Together with 131795803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131795803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65897900 + 65897901.

It is an arithmetic number, because the mean of its divisors is an integer number (65897901).

Almost surely, 2^131795801 is an apocalyptic number.

It is an amenable number.

131795801 is a deficient number, since it is larger than the sum of its proper divisors (1).

131795801 is an equidigital number, since it uses as much as digits as its factorization.

131795801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 131795801 is about 11480.2352327816. The cubic root of 131795801 is about 508.9016488156.

The spelling of 131795801 in words is "one hundred thirty-one million, seven hundred ninety-five thousand, eight hundred one".