303243400247 has 2 divisors, whose sum is σ = 303243400248. Its totient is φ = 303243400246.

The previous prime is 303243400219. The next prime is 303243400279. The reversal of 303243400247 is 742004342303.

It is an a-pointer prime, because the next prime (303243400279) can be obtained adding 303243400247 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 303243400247 - 2²² = 303239205943 is a prime.

It is a super-2 number, since 2×303243400247² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303243406247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151621700123 + 151621700124.

It is an arithmetic number, because the mean of its divisors is an integer number (151621700124).

Almost surely, 2^303243400247 is an apocalyptic number.

303243400247 is a deficient number, since it is larger than the sum of its proper divisors (1).

303243400247 is an equidigital number, since it uses as much as digits as its factorization.

303243400247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 32.

The spelling of 303243400247 in words is "three hundred three billion, two hundred forty-three million, four hundred thousand, two hundred forty-seven".