30400421203 has 2 divisors, whose sum is σ = 30400421204. Its totient is φ = 30400421202.

The previous prime is 30400421197. The next prime is 30400421251. The reversal of 30400421203 is 30212400403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30400421203 - 2²⁵ = 30366866771 is a prime.

It is not a weakly prime, because it can be changed into another prime (30400421273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15200210601 + 15200210602.

It is an arithmetic number, because the mean of its divisors is an integer number (15200210602).

Almost surely, 2^30400421203 is an apocalyptic number.

30400421203 is a deficient number, since it is larger than the sum of its proper divisors (1).

30400421203 is an equidigital number, since it uses as much as digits as its factorization.

30400421203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30400421203 its reverse (30212400403), we get a palindrome (60612821606).

The spelling of 30400421203 in words is "thirty billion, four hundred million, four hundred twenty-one thousand, two hundred three".