30542302 has 32 divisors (see below), whose sum is σ = 55823040. Its totient is φ = 12234240.

The previous prime is 30542263. The next prime is 30542311. The reversal of 30542302 is 20324503.

It is a super-2 number, since 2×30542302² = 1865664422918408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30542302.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 42724 + ... + 43432.

It is an arithmetic number, because the mean of its divisors is an integer number (1744470).

Almost surely, 2^30542302 is an apocalyptic number.

30542302 is a deficient number, since it is larger than the sum of its proper divisors (25280738).

30542302 is a wasteful number, since it uses less digits than its factorization.

30542302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30542302 is about 5526.5090246918. The cubic root of 30542302 is about 312.5843680471.

Adding to 30542302 its reverse (20324503), we get a palindrome (50866805).

It can be divided in two parts, 3054 and 2302, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 30542302 in words is "thirty million, five hundred forty-two thousand, three hundred two".