30138047356 has 24 divisors (see below), whose sum is σ = 54468973440. Its totient is φ = 14575948800.

The previous prime is 30138047351. The next prime is 30138047371. The reversal of 30138047356 is 65374083103.

It is a super-3 number, since 3×30138047356³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30138047351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206916 + ... + 321076.

It is an arithmetic number, because the mean of its divisors is an integer number (2269540560).

Almost surely, 2^30138047356 is an apocalyptic number.

It is an amenable number.

30138047356 is a deficient number, since it is larger than the sum of its proper divisors (24330926084).

30138047356 is a wasteful number, since it uses less digits than its factorization.

30138047356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116325 (or 116323 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 30138047356 in words is "thirty billion, one hundred thirty-eight million, forty-seven thousand, three hundred fifty-six".