30342320442 has 64 divisors (see below), whose sum is σ = 78699479040. Its totient is φ = 8484777648.

The previous prime is 30342320431. The next prime is 30342320453. The reversal of 30342320442 is 24402324303.

30342320442 is a `hidden beast` number, since 30 + 3 + 423 + 204 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (30342320431) and next prime (30342320453).

It is a super-2 number, since 2×30342320442² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836178 + ... + 871709.

It is an arithmetic number, because the mean of its divisors is an integer number (1229679360).

Almost surely, 2^30342320442 is an apocalyptic number.

30342320442 is an abundant number, since it is smaller than the sum of its proper divisors (48357158598).

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

30342320442 is a wasteful number, since it uses less digits than its factorization.

30342320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707952 (or 1707946 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 30342320442 its reverse (24402324303), we get a palindrome (54744644745).

The spelling of 30342320442 in words is "thirty billion, three hundred forty-two million, three hundred twenty thousand, four hundred forty-two".