7230331 has 2 divisors, whose sum is σ = 7230332. Its totient is φ = 7230330.

The previous prime is 7230323. The next prime is 7230479. The reversal of 7230331 is 1330327.

7230331 = T₂₁₉₄ + T₂₁₉₅ + T₂₁₉₆.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7230331 - 2³ = 7230323 is a prime.

It is a super-2 number, since 2×7230331² = 104555372739122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7230299 and 7230308.

It is not a weakly prime, because it can be changed into another prime (7230131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615165 + 3615166.

It is an arithmetic number, because the mean of its divisors is an integer number (3615166).

Almost surely, 2^7230331 is an apocalyptic number.

7230331 is the 2196-th centered triangular number.

7230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

7230331 is an equidigital number, since it uses as much as digits as its factorization.

7230331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 7230331 is about 2688.9274813576. The cubic root of 7230331 is about 193.3686475985.

Adding to 7230331 its reverse (1330327), we get a palindrome (8560658).

It can be divided in two parts, 72 and 30331, that added together give a palindrome (30403).

The spelling of 7230331 in words is "seven million, two hundred thirty thousand, three hundred thirty-one".