30219990127 has 2 divisors, whose sum is σ = 30219990128. Its totient is φ = 30219990126.

The previous prime is 30219990077. The next prime is 30219990149. The reversal of 30219990127 is 72109991203.

It is a strong prime.

It is an emirp because it is prime and its reverse (72109991203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30219990127 - 2¹⁹ = 30219465839 is a prime.

It is a super-2 number, since 2×30219990127² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30219990727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15109995063 + 15109995064.

It is an arithmetic number, because the mean of its divisors is an integer number (15109995064).

Almost surely, 2^30219990127 is an apocalyptic number.

30219990127 is a deficient number, since it is larger than the sum of its proper divisors (1).

30219990127 is an equidigital number, since it uses as much as digits as its factorization.

30219990127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The spelling of 30219990127 in words is "thirty billion, two hundred nineteen million, nine hundred ninety thousand, one hundred twenty-seven".