31223322332213 has 32 divisors (see below), whose sum is σ = 35946579271680. Its totient is φ = 26821895688000.

The previous prime is 31223322332203. The next prime is 31223322332219.

31223322332213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31223322332213 - 2¹⁸ = 31223322070069 is a prime.

It is a super-2 number, since 2×31223322332213² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31223322332213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223322332219) 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 31 ways as a sum of consecutive naturals, for example, 384686831 + ... + 384767987.

It is an arithmetic number, because the mean of its divisors is an integer number (1123330602240).

Almost surely, 2^{31223322332213} is an apocalyptic number.

It is an amenable number.

31223322332213 is a deficient number, since it is larger than the sum of its proper divisors (4723256939467).

31223322332213 is a wasteful number, since it uses less digits than its factorization.

31223322332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85889.

The product of its digits is 46656, while the sum is 32.

It can be divided in two parts, 3122332 and 2332213, that added together give a palindrome (5454545).

The spelling of 31223322332213 in words is "thirty-one trillion, two hundred twenty-three billion, three hundred twenty-two million, three hundred thirty-two thousand, two hundred thirteen".