730132231 has 2 divisors, whose sum is σ = 730132232. Its totient is φ = 730132230.

The previous prime is 730132213. The next prime is 730132253. The reversal of 730132231 is 132231037.

It is a happy number.

Together with previous prime (730132213) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (730132253) can be obtained adding 730132231 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (132231037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730132231 - 2⁷ = 730132103 is a prime.

It is a super-2 number, since 2×730132231² = 1066186149490074722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730132531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365066115 + 365066116.

It is an arithmetic number, because the mean of its divisors is an integer number (365066116).

Almost surely, 2^730132231 is an apocalyptic number.

730132231 is a deficient number, since it is larger than the sum of its proper divisors (1).

730132231 is an equidigital number, since it uses as much as digits as its factorization.

730132231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 730132231 is about 27020.9591058497. The cubic root of 730132231 is about 900.4656976701.

Adding to 730132231 its reverse (132231037), we get a palindrome (862363268).

The spelling of 730132231 in words is "seven hundred thirty million, one hundred thirty-two thousand, two hundred thirty-one".