731013343 has 2 divisors, whose sum is σ = 731013344. Its totient is φ = 731013342.

The previous prime is 731013341. The next prime is 731013377. The reversal of 731013343 is 343310137.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 731013343 - 2¹ = 731013341 is a prime.

Together with 731013341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731013341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365506671 + 365506672.

It is an arithmetic number, because the mean of its divisors is an integer number (365506672).

Almost surely, 2^731013343 is an apocalyptic number.

731013343 is a deficient number, since it is larger than the sum of its proper divisors (1).

731013343 is an equidigital number, since it uses as much as digits as its factorization.

731013343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 731013343 is about 27037.2584224067. The cubic root of 731013343 is about 900.8277746352.

The spelling of 731013343 in words is "seven hundred thirty-one million, thirteen thousand, three hundred forty-three".