131604201 has 24 divisors (see below), whose sum is σ = 192778560. Its totient is φ = 86508000.

The previous prime is 131604199. The next prime is 131604223. The reversal of 131604201 is 102406131.

It is a happy number.

It is not a de Polignac number, because 131604201 - 2¹ = 131604199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131604601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242991 + ... + 243531.

It is an arithmetic number, because the mean of its divisors is an integer number (8032440).

Almost surely, 2^131604201 is an apocalyptic number.

It is an amenable number.

131604201 is a deficient number, since it is larger than the sum of its proper divisors (61174359).

131604201 is a wasteful number, since it uses less digits than its factorization.

131604201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 131604201 is about 11471.8874209957. The cubic root of 131604201 is about 508.6549215719.

The spelling of 131604201 in words is "one hundred thirty-one million, six hundred four thousand, two hundred one".