30022221031 has 16 divisors (see below), whose sum is σ = 32895024768. Its totient is φ = 27173599200.

The previous prime is 30022220989. The next prime is 30022221059. The reversal of 30022221031 is 13012222003.

It is not a de Polignac number, because 30022221031 - 2⁷ = 30022220903 is a prime.

It is a super-2 number, since 2×30022221031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30022220996 and 30022221014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022221091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452516 + ... + 2464726.

It is an arithmetic number, because the mean of its divisors is an integer number (2055939048).

Almost surely, 2^30022221031 is an apocalyptic number.

30022221031 is a deficient number, since it is larger than the sum of its proper divisors (2872803737).

30022221031 is a wasteful number, since it uses less digits than its factorization.

30022221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30022221031 its reverse (13012222003), we get a palindrome (43034443034).

The spelling of 30022221031 in words is "thirty billion, twenty-two million, two hundred twenty-one thousand, thirty-one".