131204035 has 8 divisors (see below), whose sum is σ = 161700336. Its totient is φ = 102126240.

The previous prime is 131203999. The next prime is 131204039. The reversal of 131204035 is 530402131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131204035 - 2²¹ = 129106883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131204039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354421 + ... + 354790.

It is an arithmetic number, because the mean of its divisors is an integer number (20212542).

Almost surely, 2^131204035 is an apocalyptic number.

131204035 is a deficient number, since it is larger than the sum of its proper divisors (30496301).

131204035 is an equidigital number, since it uses as much as digits as its factorization.

131204035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709253.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131204035 is about 11454.4329846571. The cubic root of 131204035 is about 508.1388462000.

Adding to 131204035 its reverse (530402131), we get a palindrome (661606166).

The spelling of 131204035 in words is "one hundred thirty-one million, two hundred four thousand, thirty-five".