30211222202231 has 32 divisors (see below), whose sum is σ = 36171811353600. Its totient is φ = 24670796046336.

The previous prime is 30211222202219. The next prime is 30211222202237. The reversal of 30211222202231 is 13220222211203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30211222202231 - 2⁶ = 30211222202167 is a prime.

It is a super-2 number, since 2×30211222202231² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211222202197 and 30211222202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211222202237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562576220 + ... + 562629918.

It is an arithmetic number, because the mean of its divisors is an integer number (1130369104800).

Almost surely, 2^{30211222202231} is an apocalyptic number.

30211222202231 is a deficient number, since it is larger than the sum of its proper divisors (5960589151369).

30211222202231 is a wasteful number, since it uses less digits than its factorization.

30211222202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67583.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30211222202231 its reverse (13220222211203), we get a palindrome (43431444413434).

The spelling of 30211222202231 in words is "thirty trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, two hundred thirty-one".