30051442702 has 4 divisors (see below), whose sum is σ = 45077164056. Its totient is φ = 15025721350.

The previous prime is 30051442699. The next prime is 30051442721. The reversal of 30051442702 is 20724415003.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512860674 + ... + 7512860677.

It is an arithmetic number, because the mean of its divisors is an integer number (11269291014).

Almost surely, 2^30051442702 is an apocalyptic number.

30051442702 is a deficient number, since it is larger than the sum of its proper divisors (15025721354).

30051442702 is a wasteful number, since it uses less digits than its factorization.

30051442702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025721353.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 30051442702 its reverse (20724415003), we get a palindrome (50775857705).

The spelling of 30051442702 in words is "thirty billion, fifty-one million, four hundred forty-two thousand, seven hundred two".