7312013273 has 2 divisors, whose sum is σ = 7312013274. Its totient is φ = 7312013272.

The previous prime is 7312013243. The next prime is 7312013341. The reversal of 7312013273 is 3723102137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6513781264 + 798232009 = 80708^2 + 28253^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312013273 - 2¹⁶ = 7311947737 is a prime.

It is not a weakly prime, because it can be changed into another prime (7312013213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656006636 + 3656006637.

It is an arithmetic number, because the mean of its divisors is an integer number (3656006637).

Almost surely, 2^7312013273 is an apocalyptic number.

It is an amenable number.

7312013273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312013273 is an equidigital number, since it uses as much as digits as its factorization.

7312013273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 7312013273 is about 85510.3109162866. The cubic root of 7312013273 is about 1940.9409536238.

The spelling of 7312013273 in words is "seven billion, three hundred twelve million, thirteen thousand, two hundred seventy-three".