30203131222 has 16 divisors (see below), whose sum is σ = 49657546944. Its totient is φ = 13663629000.

The previous prime is 30203131219. The next prime is 30203131247. The reversal of 30203131222 is 22213130203.

It is a super-2 number, since 2×30203131222² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30203131222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248604 + ... + 3257887.

It is an arithmetic number, because the mean of its divisors is an integer number (3103596684).

Almost surely, 2^30203131222 is an apocalyptic number.

30203131222 is a deficient number, since it is larger than the sum of its proper divisors (19454415722).

30203131222 is a wasteful number, since it uses less digits than its factorization.

30203131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506715.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30203131222 its reverse (22213130203), we get a palindrome (52416261425).

The spelling of 30203131222 in words is "thirty billion, two hundred three million, one hundred thirty-one thousand, two hundred twenty-two".