31223244232213 has 8 divisors (see below), whose sum is σ = 34067824204896. Its totient is φ = 28379681463600.

The previous prime is 31223244232207. The next prime is 31223244232253.

It is a happy number.

31223244232213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31223244232213 - 2⁹ = 31223244231701 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 (31223244232253) 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, 254236831 + ... + 254359612.

It is an arithmetic number, because the mean of its divisors is an integer number (4258478025612).

Almost surely, 2^{31223244232213} is an apocalyptic number.

It is an amenable number.

31223244232213 is a deficient number, since it is larger than the sum of its proper divisors (2844579972683).

31223244232213 is a wasteful number, since it uses less digits than its factorization.

31223244232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508602035.

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 3122324 and 4232213, that added together give a palindrome (7354537).

The spelling of 31223244232213 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty-four million, two hundred thirty-two thousand, two hundred thirteen".