30202113042 has 24 divisors (see below), whose sum is σ = 65444743260. Its totient is φ = 10066320000.

The previous prime is 30202112989. The next prime is 30202113047. The reversal of 30202113042 is 24031120203.

It can be written as a sum of positive squares in 2 ways, for example, as 30199835961 + 2277081 = 173781^2 + 1509^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30202113047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100542 + ... + 265542.

Almost surely, 2^30202113042 is an apocalyptic number.

30202113042 is an abundant number, since it is smaller than the sum of its proper divisors (35242630218).

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

30202113042 is a wasteful number, since it uses less digits than its factorization.

30202113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175178 (or 175175 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30202113042 its reverse (24031120203), we get a palindrome (54233233245).

The spelling of 30202113042 in words is "thirty billion, two hundred two million, one hundred thirteen thousand, forty-two".