30115531342 has 64 divisors (see below), whose sum is σ = 52594375680. Its totient is φ = 12828541824.

The previous prime is 30115531339. The next prime is 30115531357. The reversal of 30115531342 is 24313551103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30115531342.

It is a congruent number.

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, 1513953 + ... + 1533715.

It is an arithmetic number, because the mean of its divisors is an integer number (821787120).

Almost surely, 2^30115531342 is an apocalyptic number.

30115531342 is a deficient number, since it is larger than the sum of its proper divisors (22478844338).

30115531342 is a wasteful number, since it uses less digits than its factorization.

30115531342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19897.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 30115531342 in words is "thirty billion, one hundred fifteen million, five hundred thirty-one thousand, three hundred forty-two".