30142130309 has 8 divisors (see below), whose sum is σ = 31730353440. Its totient is φ = 28554086736.

The previous prime is 30142130303. The next prime is 30142130311. The reversal of 30142130309 is 90303124103.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30142130309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142130303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426962 + ... + 492524.

It is an arithmetic number, because the mean of its divisors is an integer number (3966294180).

Almost surely, 2^30142130309 is an apocalyptic number.

It is an amenable number.

30142130309 is a deficient number, since it is larger than the sum of its proper divisors (1588223131).

30142130309 is a wasteful number, since it uses less digits than its factorization.

30142130309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89779.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 30142130309 in words is "thirty billion, one hundred forty-two million, one hundred thirty thousand, three hundred nine".