20031130331222 has 16 divisors (see below), whose sum is σ = 30075394474944. Its totient is φ = 10005999549000.

The previous prime is 20031130331183. The next prime is 20031130331263. The reversal of 20031130331222 is 22213303113002.

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, 61393697 + ... + 61719107.

It is an arithmetic number, because the mean of its divisors is an integer number (1879712154684).

Almost surely, 2^{20031130331222} is an apocalyptic number.

20031130331222 is a deficient number, since it is larger than the sum of its proper divisors (10044264143722).

20031130331222 is a wasteful number, since it uses less digits than its factorization.

20031130331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354715.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20031130331222 its reverse (22213303113002), we get a palindrome (42244433444224).

The spelling of 20031130331222 in words is "twenty trillion, thirty-one billion, one hundred thirty million, three hundred thirty-one thousand, two hundred twenty-two".