30140202434 has 4 divisors (see below), whose sum is σ = 45210303654. Its totient is φ = 15070101216.

The previous prime is 30140202397. The next prime is 30140202461. The reversal of 30140202434 is 43420204103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43420204103 = 23 ⋅1887834961.

It can be written as a sum of positive squares in only one way, i.e., 22736116225 + 7404086209 = 150785^2 + 86047^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7535050607 + ... + 7535050610.

Almost surely, 2^30140202434 is an apocalyptic number.

30140202434 is a deficient number, since it is larger than the sum of its proper divisors (15070101220).

30140202434 is a wasteful number, since it uses less digits than its factorization.

30140202434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070101219.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30140202434 its reverse (43420204103), we get a palindrome (73560406537).

The spelling of 30140202434 in words is "thirty billion, one hundred forty million, two hundred two thousand, four hundred thirty-four".