30142404247 has 2 divisors, whose sum is σ = 30142404248. Its totient is φ = 30142404246.

The previous prime is 30142404209. The next prime is 30142404263. The reversal of 30142404247 is 74240424103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30142404247 - 2²⁷ = 30008186519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30142404847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071202123 + 15071202124.

It is an arithmetic number, because the mean of its divisors is an integer number (15071202124).

Almost surely, 2^30142404247 is an apocalyptic number.

30142404247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142404247 is an equidigital number, since it uses as much as digits as its factorization.

30142404247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 30142404247 in words is "thirty billion, one hundred forty-two million, four hundred four thousand, two hundred forty-seven".