30221311031 has 8 divisors (see below), whose sum is σ = 31199074944. Its totient is φ = 29243727360.

The previous prime is 30221310997. The next prime is 30221311037. The reversal of 30221311031 is 13011312203.

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 30221311031 - 2⁶ = 30221310967 is a prime.

It is a super-2 number, since 2×30221311031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221311037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351131 + ... + 428643.

It is an arithmetic number, because the mean of its divisors is an integer number (3899884368).

Almost surely, 2^30221311031 is an apocalyptic number.

30221311031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30221311031 is a deficient number, since it is larger than the sum of its proper divisors (977763913).

30221311031 is a wasteful number, since it uses less digits than its factorization.

30221311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90121.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30221311031 its reverse (13011312203), we get a palindrome (43232623234).

The spelling of 30221311031 in words is "thirty billion, two hundred twenty-one million, three hundred eleven thousand, thirty-one".