30130331021 has 8 divisors (see below), whose sum is σ = 36460232640. Its totient is φ = 24306821568.

The previous prime is 30130330981. The next prime is 30130331087. The reversal of 30130331021 is 12013303103.

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

It is a cyclic number.

It is not a de Polignac number, because 30130331021 - 2¹⁸ = 30130068877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130334021) 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, 126597911 + ... + 126598148.

It is an arithmetic number, because the mean of its divisors is an integer number (4557529080).

Almost surely, 2^30130331021 is an apocalyptic number.

It is an amenable number.

30130331021 is a deficient number, since it is larger than the sum of its proper divisors (6329901619).

30130331021 is a wasteful number, since it uses less digits than its factorization.

30130331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253196083.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30130331021 its reverse (12013303103), we get a palindrome (42143634124).

The spelling of 30130331021 in words is "thirty billion, one hundred thirty million, three hundred thirty-one thousand, twenty-one".