31223242303111 has 8 divisors (see below), whose sum is σ = 32866780826880. Its totient is φ = 29579724777528.

The previous prime is 31223242303069. The next prime is 31223242303147. The reversal of 31223242303111 is 11130324232213.

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 31223242303111 - 2¹⁵ = 31223242270343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31223242303111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223242309111) 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, 2150461 + ... + 8189686.

It is an arithmetic number, because the mean of its divisors is an integer number (4108347603360).

Almost surely, 2^{31223242303111} is an apocalyptic number.

31223242303111 is a deficient number, since it is larger than the sum of its proper divisors (1643538523769).

31223242303111 is a wasteful number, since it uses less digits than its factorization.

31223242303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499093.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31223242303111 its reverse (11130324232213), we get a palindrome (42353566535324).

The spelling of 31223242303111 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty-two million, three hundred three thousand, one hundred eleven".