131970383 has 4 divisors (see below), whose sum is σ = 132014160. Its totient is φ = 131926608.

The previous prime is 131970373. The next prime is 131970401. The reversal of 131970383 is 383079131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383079131 = 43 ⋅8908817.

It is a cyclic number.

It is not a de Polignac number, because 131970383 - 2⁴ = 131970367 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 (131970373) 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, 17003 + ... + 23516.

It is an arithmetic number, because the mean of its divisors is an integer number (33003540).

Almost surely, 2^131970383 is an apocalyptic number.

131970383 is a deficient number, since it is larger than the sum of its proper divisors (43777).

131970383 is an equidigital number, since it uses as much as digits as its factorization.

131970383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43776.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 131970383 is about 11487.8363062850. The cubic root of 131970383 is about 509.1262535110.

The spelling of 131970383 in words is "one hundred thirty-one million, nine hundred seventy thousand, three hundred eighty-three".