30301131021 has 12 divisors (see below), whose sum is σ = 46997672832. Its totient is φ = 17314931928.

The previous prime is 30301131013. The next prime is 30301131079. The reversal of 30301131021 is 12013110303.

It is not a de Polignac number, because 30301131021 - 2³ = 30301131013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301131121) 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, 103064925 + ... + 103065218.

It is an arithmetic number, because the mean of its divisors is an integer number (3916472736).

Almost surely, 2^30301131021 is an apocalyptic number.

It is an amenable number.

30301131021 is a deficient number, since it is larger than the sum of its proper divisors (16696541811).

30301131021 is a wasteful number, since it uses less digits than its factorization.

30301131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206130160 (or 206130153 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30301131021 its reverse (12013110303), we get a palindrome (42314241324).

The spelling of 30301131021 in words is "thirty billion, three hundred one million, one hundred thirty-one thousand, twenty-one".