31222122122213 has 8 divisors (see below), whose sum is σ = 35541388028736. Its totient is φ = 27149671410400.

The previous prime is 31222122122047. The next prime is 31222122122231.

31222122122213 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-31222122122213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222122122263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61703798408 + ... + 61703798913.

It is an arithmetic number, because the mean of its divisors is an integer number (4442673503592).

Almost surely, 2^{31222122122213} is an apocalyptic number.

It is an amenable number.

31222122122213 is a deficient number, since it is larger than the sum of its proper divisors (4319265906523).

31222122122213 is a wasteful number, since it uses less digits than its factorization.

31222122122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123407597355.

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 3122212 and 2122213, that added together give a palindrome (5244425).

The spelling of 31222122122213 in words is "thirty-one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred thirteen".