30421340347 has 2 divisors, whose sum is σ = 30421340348. Its totient is φ = 30421340346.

The previous prime is 30421340311. The next prime is 30421340371. The reversal of 30421340347 is 74304312403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30421340347 is a prime.

It is not a weakly prime, because it can be changed into another prime (30421340447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210670173 + 15210670174.

It is an arithmetic number, because the mean of its divisors is an integer number (15210670174).

Almost surely, 2^30421340347 is an apocalyptic number.

30421340347 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421340347 is an equidigital number, since it uses as much as digits as its factorization.

30421340347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 30421340347 in words is "thirty billion, four hundred twenty-one million, three hundred forty thousand, three hundred forty-seven".