131603229 has 12 divisors (see below), whose sum is σ = 190237632. Its totient is φ = 87669000.

The previous prime is 131603183. The next prime is 131603231. The reversal of 131603229 is 922306131.

131603229 is a `hidden beast` number, since 1 + 31 + 603 + 2 + 29 = 666.

It is not a de Polignac number, because 131603229 - 2¹² = 131599133 is a prime.

It is a super-3 number, since 3×131603229³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131603279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9004 + ... + 18554.

It is an arithmetic number, because the mean of its divisors is an integer number (15853136).

Almost surely, 2^131603229 is an apocalyptic number.

It is an amenable number.

131603229 is a deficient number, since it is larger than the sum of its proper divisors (58634403).

131603229 is a wasteful number, since it uses less digits than its factorization.

131603229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088 (or 11085 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 131603229 is about 11471.8450564850. The cubic root of 131603229 is about 508.6536692972.

The spelling of 131603229 in words is "one hundred thirty-one million, six hundred three thousand, two hundred twenty-nine".