30401220263 has 2 divisors, whose sum is σ = 30401220264. Its totient is φ = 30401220262.

The previous prime is 30401220259. The next prime is 30401220277. The reversal of 30401220263 is 36202210403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30401220263 - 2² = 30401220259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30401225263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15200610131 + 15200610132.

It is an arithmetic number, because the mean of its divisors is an integer number (15200610132).

Almost surely, 2^30401220263 is an apocalyptic number.

30401220263 is a deficient number, since it is larger than the sum of its proper divisors (1).

30401220263 is an equidigital number, since it uses as much as digits as its factorization.

30401220263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30401220263 its reverse (36202210403), we get a palindrome (66603430666).

The spelling of 30401220263 in words is "thirty billion, four hundred one million, two hundred twenty thousand, two hundred sixty-three".