31121114320222 has 8 divisors (see below), whose sum is σ = 46723019288400. Its totient is φ = 15546774557424.

The previous prime is 31121114320207. The next prime is 31121114320229. The reversal of 31121114320222 is 22202341112113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31121114320229) 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, 6891298522 + ... + 6891303037.

It is an arithmetic number, because the mean of its divisors is an integer number (5840377411050).

Almost surely, 2^{31121114320222} is an apocalyptic number.

31121114320222 is a deficient number, since it is larger than the sum of its proper divisors (15601904968178).

31121114320222 is a wasteful number, since it uses less digits than its factorization.

31121114320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782602690.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31121114320222 its reverse (22202341112113), we get a palindrome (53323455432335).

The spelling of 31121114320222 in words is "thirty-one trillion, one hundred twenty-one billion, one hundred fourteen million, three hundred twenty thousand, two hundred twenty-two".