30243202142 has 16 divisors (see below), whose sum is σ = 46335246912. Its totient is φ = 14798192640.

The previous prime is 30243202123. The next prime is 30243202201. The reversal of 30243202142 is 24120234203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421342 + ... + 1442462.

It is an arithmetic number, because the mean of its divisors is an integer number (2895952932).

Almost surely, 2^30243202142 is an apocalyptic number.

30243202142 is a deficient number, since it is larger than the sum of its proper divisors (16092044770).

30243202142 is a wasteful number, since it uses less digits than its factorization.

30243202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36403.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30243202142 its reverse (24120234203), we get a palindrome (54363436345).

The spelling of 30243202142 in words is "thirty billion, two hundred forty-three million, two hundred two thousand, one hundred forty-two".