30031423399 has 2 divisors, whose sum is σ = 30031423400. Its totient is φ = 30031423398.

The previous prime is 30031423397. The next prime is 30031423453. The reversal of 30031423399 is 99332413003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30031423399 - 2¹ = 30031423397 is a prime.

Together with 30031423397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30031423393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015711699 + 15015711700.

It is an arithmetic number, because the mean of its divisors is an integer number (15015711700).

Almost surely, 2^30031423399 is an apocalyptic number.

30031423399 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031423399 is an equidigital number, since it uses as much as digits as its factorization.

30031423399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 30031423399 in words is "thirty billion, thirty-one million, four hundred twenty-three thousand, three hundred ninety-nine".