73230331 has 2 divisors, whose sum is σ = 73230332. Its totient is φ = 73230330.

The previous prime is 73230257. The next prime is 73230337. The reversal of 73230331 is 13303237.

It is a strong prime.

It is an emirp because it is prime and its reverse (13303237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73230331 - 2¹⁷ = 73099259 is a prime.

It is a super-2 number, since 2×73230331² = 10725362756739122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73230337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36615165 + 36615166.

It is an arithmetic number, because the mean of its divisors is an integer number (36615166).

Almost surely, 2^73230331 is an apocalyptic number.

73230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

73230331 is an equidigital number, since it uses as much as digits as its factorization.

73230331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 73230331 is about 8557.4722319152. The cubic root of 73230331 is about 418.3730158526.

Adding to 73230331 its reverse (13303237), we get a palindrome (86533568).

The spelling of 73230331 in words is "seventy-three million, two hundred thirty thousand, three hundred thirty-one".