30032220031 has 16 divisors (see below), whose sum is σ = 34282206720. Its totient is φ = 26042151520.

The previous prime is 30032220017. The next prime is 30032220041. The reversal of 30032220031 is 13002223003.

It is not a de Polignac number, because 30032220031 - 2²³ = 30023831423 is a prime.

It is a super-2 number, since 2×30032220031² (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 = 30032219987 and 30032220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032220041) 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, 74500 + ... + 256153.

It is an arithmetic number, because the mean of its divisors is an integer number (2142637920).

Almost surely, 2^30032220031 is an apocalyptic number.

30032220031 is a deficient number, since it is larger than the sum of its proper divisors (4249986689).

30032220031 is a wasteful number, since it uses less digits than its factorization.

30032220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331046.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30032220031 its reverse (13002223003), we get a palindrome (43034443034).

The spelling of 30032220031 in words is "thirty billion, thirty-two million, two hundred twenty thousand, thirty-one".