30203143442 has 8 divisors (see below), whose sum is σ = 45310490316. Its totient is φ = 15099646672.

The previous prime is 30203143433. The next prime is 30203143501. The reversal of 30203143442 is 24434130203.

It can be written as a sum of positive squares in 2 ways, for example, as 22532711881 + 7670431561 = 150109^2 + 87581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942833 + ... + 974340.

Almost surely, 2^30203143442 is an apocalyptic number.

30203143442 is a deficient number, since it is larger than the sum of its proper divisors (15107346874).

30203143442 is a wasteful number, since it uses less digits than its factorization.

30203143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925052.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30203143442 its reverse (24434130203), we get a palindrome (54637273645).

The spelling of 30203143442 in words is "thirty billion, two hundred three million, one hundred forty-three thousand, four hundred forty-two".