30222011231 has 4 divisors (see below), whose sum is σ = 30792237912. Its totient is φ = 29651784552.

The previous prime is 30222011219. The next prime is 30222011233. The reversal of 30222011231 is 13211022203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13211022203 = 137 ⋅96430819.

It is a cyclic number.

It is not a de Polignac number, because 30222011231 - 2²² = 30217816927 is a prime.

It is a super-2 number, since 2×30222011231² (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 (30222011233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285113261 + ... + 285113366.

It is an arithmetic number, because the mean of its divisors is an integer number (7698059478).

Almost surely, 2^30222011231 is an apocalyptic number.

30222011231 is a deficient number, since it is larger than the sum of its proper divisors (570226681).

30222011231 is an equidigital number, since it uses as much as digits as its factorization.

30222011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570226680.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30222011231 its reverse (13211022203), we get a palindrome (43433033434).

The spelling of 30222011231 in words is "thirty billion, two hundred twenty-two million, eleven thousand, two hundred thirty-one".