131980343 has 4 divisors (see below), whose sum is σ = 143978568. Its totient is φ = 119982120.

The previous prime is 131980339. The next prime is 131980357. The reversal of 131980343 is 343089131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131980343 - 2² = 131980339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131980643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5999096 + ... + 5999117.

It is an arithmetic number, because the mean of its divisors is an integer number (35994642).

Almost surely, 2^131980343 is an apocalyptic number.

131980343 is a deficient number, since it is larger than the sum of its proper divisors (11998225).

131980343 is a wasteful number, since it uses less digits than its factorization.

131980343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998224.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 131980343 is about 11488.2698001048. The cubic root of 131980343 is about 509.1390613593.

The spelling of 131980343 in words is "one hundred thirty-one million, nine hundred eighty thousand, three hundred forty-three".