31233120003213 has 8 divisors (see below), whose sum is σ = 42056478420576. Its totient is φ = 20615920794000.

The previous prime is 31233120003181. The next prime is 31233120003263. The reversal of 31233120003213 is 31230002133213.

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

It is not a de Polignac number, because 31233120003213 - 2⁵ = 31233120003181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233120003263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51539801683 + ... + 51539802288.

It is an arithmetic number, because the mean of its divisors is an integer number (5257059802572).

Almost surely, 2^{31233120003213} is an apocalyptic number.

It is an amenable number.

31233120003213 is a deficient number, since it is larger than the sum of its proper divisors (10823358417363).

31233120003213 is a wasteful number, since it uses less digits than its factorization.

31233120003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103079604075.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31233120003213 its reverse (31230002133213), we get a palindrome (62463122136426).

The spelling of 31233120003213 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred twenty million, three thousand, two hundred thirteen".