30542316 has 96 divisors (see below), whose sum is σ = 86618112. Its totient is φ = 8190720.

The previous prime is 30542311. The next prime is 30542333. The reversal of 30542316 is 61324503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96190 + ... + 96506.

It is an arithmetic number, because the mean of its divisors is an integer number (902272).

Almost surely, 2^30542316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30542316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43309056).

30542316 is an abundant number, since it is smaller than the sum of its proper divisors (56075796).

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

30542316 is a wasteful number, since it uses less digits than its factorization.

30542316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30542316 is about 5526.5102913140. The cubic root of 30542316 is about 312.5844158080.

Adding to 30542316 its reverse (61324503), we get a palindrome (91866819).

The spelling of 30542316 in words is "thirty million, five hundred forty-two thousand, three hundred sixteen".