30142240132 has 6 divisors (see below), whose sum is σ = 52748920238. Its totient is φ = 15071120064.

The previous prime is 30142240123. The next prime is 30142240157. The reversal of 30142240132 is 23104224103.

It can be written as a sum of positive squares in only one way, i.e., 24556770436 + 5585469696 = 156706^2 + 74736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767780013 + ... + 3767780020.

Almost surely, 2^30142240132 is an apocalyptic number.

It is an amenable number.

30142240132 is a deficient number, since it is larger than the sum of its proper divisors (22606680106).

30142240132 is a wasteful number, since it uses less digits than its factorization.

30142240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535560037 (or 7535560035 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30142240132 its reverse (23104224103), we get a palindrome (53246464235).

The spelling of 30142240132 in words is "thirty billion, one hundred forty-two million, two hundred forty thousand, one hundred thirty-two".