743238131 has 2 divisors, whose sum is σ = 743238132. Its totient is φ = 743238130.

The previous prime is 743238127. The next prime is 743238149. The reversal of 743238131 is 131832347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 743238131 - 2² = 743238127 is a prime.

It is a super-2 number, since 2×743238131² = 1104805838744746322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743238161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371619065 + 371619066.

It is an arithmetic number, because the mean of its divisors is an integer number (371619066).

Almost surely, 2^743238131 is an apocalyptic number.

743238131 is a deficient number, since it is larger than the sum of its proper divisors (1).

743238131 is an equidigital number, since it uses as much as digits as its factorization.

743238131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 743238131 is about 27262.3940804912. The cubic root of 743238131 is about 905.8215755959.

The spelling of 743238131 in words is "seven hundred forty-three million, two hundred thirty-eight thousand, one hundred thirty-one".