30323032142 has 32 divisors (see below), whose sum is σ = 51850925280. Its totient is φ = 13198389120.

The previous prime is 30323032127. The next prime is 30323032189. The reversal of 30323032142 is 24123032303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435209 + ... + 500052.

It is an arithmetic number, because the mean of its divisors is an integer number (1620341415).

Almost surely, 2^30323032142 is an apocalyptic number.

30323032142 is a deficient number, since it is larger than the sum of its proper divisors (21527893138).

30323032142 is a wasteful number, since it uses less digits than its factorization.

30323032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935348.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30323032142 its reverse (24123032303), we get a palindrome (54446064445).

The spelling of 30323032142 in words is "thirty billion, three hundred twenty-three million, thirty-two thousand, one hundred forty-two".