30378157034 has 4 divisors (see below), whose sum is σ = 45567235554. Its totient is φ = 15189078516.

The previous prime is 30378157009. The next prime is 30378157037. The reversal of 30378157034 is 43075187303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43075187303 = 101 ⋅426487003.

It can be written as a sum of positive squares in only one way, i.e., 28528899025 + 1849258009 = 168905^2 + 43003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30378156982 and 30378157000.

It is not an unprimeable number, because it can be changed into a prime (30378157037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7594539257 + ... + 7594539260.

Almost surely, 2^30378157034 is an apocalyptic number.

30378157034 is a deficient number, since it is larger than the sum of its proper divisors (15189078520).

30378157034 is a wasteful number, since it uses less digits than its factorization.

30378157034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15189078519.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 30378157034 in words is "thirty billion, three hundred seventy-eight million, one hundred fifty-seven thousand, thirty-four".