7312003397 has 2 divisors, whose sum is σ = 7312003398. Its totient is φ = 7312003396.

The previous prime is 7312003367. The next prime is 7312003411. The reversal of 7312003397 is 7933002137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6790748836 + 521254561 = 82406^2 + 22831^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312003397 - 2¹⁶ = 7311937861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312003337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656001698 + 3656001699.

It is an arithmetic number, because the mean of its divisors is an integer number (3656001699).

Almost surely, 2^7312003397 is an apocalyptic number.

It is an amenable number.

7312003397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312003397 is an equidigital number, since it uses as much as digits as its factorization.

7312003397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 7312003397 is about 85510.2531688452. The cubic root of 7312003397 is about 1940.9400797768.

The spelling of 7312003397 in words is "seven billion, three hundred twelve million, three thousand, three hundred ninety-seven".