131240302 has 8 divisors (see below), whose sum is σ = 197891712. Its totient is φ = 65276400.

The previous prime is 131240299. The next prime is 131240371. The reversal of 131240302 is 203042131.

It is a happy number.

131240302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171399 + ... + 172162.

It is an arithmetic number, because the mean of its divisors is an integer number (24736464).

Almost surely, 2^131240302 is an apocalyptic number.

131240302 is a deficient number, since it is larger than the sum of its proper divisors (66651410).

131240302 is a wasteful number, since it uses less digits than its factorization.

131240302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343754.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131240302 is about 11456.0159741509. The cubic root of 131240302 is about 508.1856612587.

Adding to 131240302 its reverse (203042131), we get a palindrome (334282433).

It can be divided in two parts, 1312 and 40302, that added together give a palindrome (41614).

The spelling of 131240302 in words is "one hundred thirty-one million, two hundred forty thousand, three hundred two".