43131367 has 2 divisors, whose sum is σ = 43131368. Its totient is φ = 43131366.

The previous prime is 43131313. The next prime is 43131391. The reversal of 43131367 is 76313134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43131367 - 2⁷ = 43131239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43131167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565683 + 21565684.

It is an arithmetic number, because the mean of its divisors is an integer number (21565684).

Almost surely, 2^43131367 is an apocalyptic number.

43131367 is a deficient number, since it is larger than the sum of its proper divisors (1).

43131367 is an equidigital number, since it uses as much as digits as its factorization.

43131367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The square root of 43131367 is about 6567.4475254851. The cubic root of 43131367 is about 350.6962114737.

The spelling of 43131367 in words is "forty-three million, one hundred thirty-one thousand, three hundred sixty-seven".