131002204 has 24 divisors (see below), whose sum is σ = 253296288. Its totient is φ = 58967040.

The previous prime is 131002177. The next prime is 131002211. The reversal of 131002204 is 402200131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40317 + ... + 43444.

It is an arithmetic number, because the mean of its divisors is an integer number (10554012).

Almost surely, 2^131002204 is an apocalyptic number.

It is an amenable number.

131002204 is a deficient number, since it is larger than the sum of its proper divisors (122294084).

131002204 is a wasteful number, since it uses less digits than its factorization.

131002204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83805 (or 83803 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 131002204 is about 11445.6194240417. The cubic root of 131002204 is about 507.8781560344.

Adding to 131002204 its reverse (402200131), we get a palindrome (533202335).

The spelling of 131002204 in words is "one hundred thirty-one million, two thousand, two hundred four".