30241311021 has 48 divisors (see below), whose sum is σ = 44821144368. Its totient is φ = 19643904000.

The previous prime is 30241311011. The next prime is 30241311043. The reversal of 30241311021 is 12011314203.

It can be written as a sum of positive squares in 8 ways, for example, as 1353209796 + 28888101225 = 36786^2 + 169965^2 .

It is not a de Polignac number, because 30241311021 - 2⁵ = 30241310989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30241310985 and 30241311003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30241311011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17369211 + ... + 17370951.

It is an arithmetic number, because the mean of its divisors is an integer number (933773841).

Almost surely, 2^30241311021 is an apocalyptic number.

It is an amenable number.

30241311021 is a deficient number, since it is larger than the sum of its proper divisors (14579833347).

30241311021 is a wasteful number, since it uses less digits than its factorization.

30241311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30241311021 its reverse (12011314203), we get a palindrome (42252625224).

The spelling of 30241311021 in words is "thirty billion, two hundred forty-one million, three hundred eleven thousand, twenty-one".