31112202201222 has 16 divisors (see below), whose sum is σ = 62300195404272. Its totient is φ = 10358102233440.

The previous prime is 31112202201211. The next prime is 31112202201247. The reversal of 31112202201222 is 22210220221113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157953073 + ... + 3157962924.

It is an arithmetic number, because the mean of its divisors is an integer number (3893762212767).

Almost surely, 2^{31112202201222} is an apocalyptic number.

31112202201222 is an abundant number, since it is smaller than the sum of its proper divisors (31187993203050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112202201222 is a wasteful number, since it uses less digits than its factorization.

31112202201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315916823.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31112202201222 its reverse (22210220221113), we get a palindrome (53322422422335).

The spelling of 31112202201222 in words is "thirty-one trillion, one hundred twelve billion, two hundred two million, two hundred one thousand, two hundred twenty-two".