31223132213 has 8 divisors (see below), whose sum is σ = 38428470528. Its totient is φ = 24704016624.

The previous prime is 31223132207. The next prime is 31223132267.

31223132213 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31223132213 - 2²² = 31218937909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223132113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171555581 + ... + 171555762.

It is an arithmetic number, because the mean of its divisors is an integer number (4803558816).

Almost surely, 2^31223132213 is an apocalyptic number.

It is an amenable number.

31223132213 is a deficient number, since it is larger than the sum of its proper divisors (7205338315).

31223132213 is a wasteful number, since it uses less digits than its factorization.

31223132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343111363.

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

The spelling of 31223132213 in words is "thirty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred thirteen".