30340221287 has 2 divisors, whose sum is σ = 30340221288. Its totient is φ = 30340221286.

The previous prime is 30340221259. The next prime is 30340221299. The reversal of 30340221287 is 78212204303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30340221287 - 2²⁴ = 30323444071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30340221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15170110643 + 15170110644.

It is an arithmetic number, because the mean of its divisors is an integer number (15170110644).

Almost surely, 2^30340221287 is an apocalyptic number.

30340221287 is a deficient number, since it is larger than the sum of its proper divisors (1).

30340221287 is an equidigital number, since it uses as much as digits as its factorization.

30340221287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 30340221287 in words is "thirty billion, three hundred forty million, two hundred twenty-one thousand, two hundred eighty-seven".