30102434 has 4 divisors (see below), whose sum is σ = 45153654. Its totient is φ = 15051216.

The previous prime is 30102431. The next prime is 30102437. The reversal of 30102434 is 43420103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43420103 = 163 ⋅266381.

It is an interprime number because it is at equal distance from previous prime (30102431) and next prime (30102437).

It can be written as a sum of positive squares in only one way, i.e., 21132409 + 8970025 = 4597^2 + 2995^2 .

It is not an unprimeable number, because it can be changed into a prime (30102431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525607 + ... + 7525610.

Almost surely, 2^30102434 is an apocalyptic number.

30102434 is a deficient number, since it is larger than the sum of its proper divisors (15051220).

30102434 is a wasteful number, since it uses less digits than its factorization.

30102434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051219.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30102434 is about 5486.5685086400. The cubic root of 30102434 is about 311.0765002408.

Adding to 30102434 its reverse (43420103), we get a palindrome (73522537).

The spelling of 30102434 in words is "thirty million, one hundred two thousand, four hundred thirty-four".