31232222223213 has 16 divisors (see below), whose sum is σ = 45729539108352. Its totient is φ = 18803264430000.

The previous prime is 31232222223187. The next prime is 31232222223259.

It is a happy number.

31232222223213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31232222223213 - 2⁹ = 31232222222701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232222223313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133872423 + ... + 3133882388.

It is an arithmetic number, because the mean of its divisors is an integer number (2858096194272).

Almost surely, 2^{31232222223213} is an apocalyptic number.

31232222223213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31232222223213 is a deficient number, since it is larger than the sum of its proper divisors (14497316885139).

31232222223213 is a wasteful number, since it uses less digits than its factorization.

31232222223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267754976.

The product of its digits is 20736, while the sum is 30.

It can be divided in two parts, 3123222 and 2223213, that added together give a palindrome (5346435).

The spelling of 31232222223213 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred thirteen".