131697302 has 16 divisors (see below), whose sum is σ = 215686800. Its totient is φ = 59811840.

The previous prime is 131697301. The next prime is 131697311. The reversal of 131697302 is 203796131.

It is a happy number.

131697302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131697301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39974 + ... + 43142.

It is an arithmetic number, because the mean of its divisors is an integer number (13480425).

Almost surely, 2^131697302 is an apocalyptic number.

131697302 is a deficient number, since it is larger than the sum of its proper divisors (83989498).

131697302 is a wasteful number, since it uses less digits than its factorization.

131697302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 131697302 is about 11475.9444927204. The cubic root of 131697302 is about 508.7748395247.

The spelling of 131697302 in words is "one hundred thirty-one million, six hundred ninety-seven thousand, three hundred two".