131602497 has 32 divisors (see below), whose sum is σ = 195121920. Its totient is φ = 78848640.

The previous prime is 131602487. The next prime is 131602507. The reversal of 131602497 is 794206131.

It is an interprime number because it is at equal distance from previous prime (131602487) and next prime (131602507).

It is not a de Polignac number, because 131602497 - 2⁶ = 131602433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131602447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269988 + ... + 270474.

It is an arithmetic number, because the mean of its divisors is an integer number (6097560).

Almost surely, 2^131602497 is an apocalyptic number.

It is an amenable number.

131602497 is a deficient number, since it is larger than the sum of its proper divisors (63519423).

131602497 is an equidigital number, since it uses as much as digits as its factorization.

131602497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 131602497 is about 11471.8131522441. The cubic root of 131602497 is about 508.6527262222.

The spelling of 131602497 in words is "one hundred thirty-one million, six hundred two thousand, four hundred ninety-seven".