31233001222213 has 8 divisors (see below), whose sum is σ = 35694970177280. Its totient is φ = 26771060176560.

The previous prime is 31233001222211. The next prime is 31233001222237. The reversal of 31233001222213 is 31222210033213.

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

It is not a de Polignac number, because 31233001222213 - 2¹ = 31233001222211 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 (31233001222211) 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, 4521693 + ... + 9105586.

It is an arithmetic number, because the mean of its divisors is an integer number (4461871272160).

Almost surely, 2^{31233001222213} is an apocalyptic number.

It is an amenable number.

31233001222213 is a deficient number, since it is larger than the sum of its proper divisors (4461968955067).

31233001222213 is a wasteful number, since it uses less digits than its factorization.

31233001222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13954707.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31233001222213 its reverse (31222210033213), we get a palindrome (62455211255426).

The spelling of 31233001222213 in words is "thirty-one trillion, two hundred thirty-three billion, one million, two hundred twenty-two thousand, two hundred thirteen".