30430542 has 16 divisors (see below), whose sum is σ = 60952320. Its totient is φ = 10128312.

The previous prime is 30430513. The next prime is 30430553. The reversal of 30430542 is 24503403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (3809520).

Almost surely, 2^30430542 is an apocalyptic number.

30430542 is an abundant number, since it is smaller than the sum of its proper divisors (30521778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30430542 is a wasteful number, since it uses less digits than its factorization.

30430542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30430542 is about 5516.3884924831. The cubic root of 30430542 is about 312.2026338178.

Adding to 30430542 its reverse (24503403), we get a palindrome (54933945).

The spelling of 30430542 in words is "thirty million, four hundred thirty thousand, five hundred forty-two".