30138047351 has 2 divisors, whose sum is σ = 30138047352. Its totient is φ = 30138047350.

The previous prime is 30138047347. The next prime is 30138047371. The reversal of 30138047351 is 15374083103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30138047351 - 2² = 30138047347 is a prime.

It is a super-3 number, since 3×30138047351³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30138047371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15069023675 + 15069023676.

It is an arithmetic number, because the mean of its divisors is an integer number (15069023676).

Almost surely, 2^30138047351 is an apocalyptic number.

30138047351 is a deficient number, since it is larger than the sum of its proper divisors (1).

30138047351 is an equidigital number, since it uses as much as digits as its factorization.

30138047351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 30138047351 in words is "thirty billion, one hundred thirty-eight million, forty-seven thousand, three hundred fifty-one".