31122323101101 has 16 divisors (see below), whose sum is σ = 42284494639296. Its totient is φ = 20354278154496.

The previous prime is 31122323101091. The next prime is 31122323101169. The reversal of 31122323101101 is 10110132322113.

It is not a de Polignac number, because 31122323101101 - 2⁵ = 31122323101069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122323101301) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10514515 + ... + 13145328.

It is an arithmetic number, because the mean of its divisors is an integer number (2642780914956).

Almost surely, 2^{31122323101101} is an apocalyptic number.

It is an amenable number.

31122323101101 is a deficient number, since it is larger than the sum of its proper divisors (11162171538195).

31122323101101 is a wasteful number, since it uses less digits than its factorization.

31122323101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23668172.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31122323101101 its reverse (10110132322113), we get a palindrome (41232455423214).

The spelling of 31122323101101 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred twenty-three million, one hundred one thousand, one hundred one".