30141934778 has 4 divisors (see below), whose sum is σ = 45212902170. Its totient is φ = 15070967388.

The previous prime is 30141934777. The next prime is 30141934783. The reversal of 30141934778 is 87743914103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27349552129 + 2792382649 = 165377^2 + 52843^2 .

It is a super-2 number, since 2×30141934778² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30141934777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7535483693 + ... + 7535483696.

Almost surely, 2^30141934778 is an apocalyptic number.

30141934778 is a deficient number, since it is larger than the sum of its proper divisors (15070967392).

30141934778 is a wasteful number, since it uses less digits than its factorization.

30141934778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070967391.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 30141934778 in words is "thirty billion, one hundred forty-one million, nine hundred thirty-four thousand, seven hundred seventy-eight".