131697022 has 4 divisors (see below), whose sum is σ = 197545536. Its totient is φ = 65848510.

The previous prime is 131697019. The next prime is 131697047. The reversal of 131697022 is 220796131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32924254 + ... + 32924257.

It is an arithmetic number, because the mean of its divisors is an integer number (49386384).

Almost surely, 2^131697022 is an apocalyptic number.

131697022 is a deficient number, since it is larger than the sum of its proper divisors (65848514).

131697022 is an equidigital number, since it uses as much as digits as its factorization.

131697022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65848513.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 131697022 is about 11475.9322932823. The cubic root of 131697022 is about 508.7744789579.

The spelling of 131697022 in words is "one hundred thirty-one million, six hundred ninety-seven thousand, twenty-two".