7231320667 has 2 divisors, whose sum is σ = 7231320668. Its totient is φ = 7231320666.

The previous prime is 7231320661. The next prime is 7231320671. The reversal of 7231320667 is 7660231327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7231320667 - 2³ = 7231320659 is a prime.

It is not a weakly prime, because it can be changed into another prime (7231320661) 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, 3615660333 + 3615660334.

It is an arithmetic number, because the mean of its divisors is an integer number (3615660334).

Almost surely, 2^7231320667 is an apocalyptic number.

7231320667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7231320667 is an equidigital number, since it uses as much as digits as its factorization.

7231320667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 7231320667 is about 85037.1722660155. The cubic root of 7231320667 is about 1933.7746977824.

The spelling of 7231320667 in words is "seven billion, two hundred thirty-one million, three hundred twenty thousand, six hundred sixty-seven".