31220033222323 has 8 divisors (see below), whose sum is σ = 34061047665840. Its totient is φ = 28379490379680.

The previous prime is 31220033222293. The next prime is 31220033222393. The reversal of 31220033222323 is 32322233002213.

It is a happy number.

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

It is not a de Polignac number, because 31220033222323 - 2⁴¹ = 29021009966771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31220033222291 and 31220033222300.

It is not an unprimeable number, because it can be changed into a prime (31220033222393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117761788 + ... + 118026601.

It is an arithmetic number, because the mean of its divisors is an integer number (4257630958230).

Almost surely, 2^{31220033222323} is an apocalyptic number.

31220033222323 is a deficient number, since it is larger than the sum of its proper divisors (2841014443517).

31220033222323 is a wasteful number, since it uses less digits than its factorization.

31220033222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235800437.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 31220033222323 its reverse (32322233002213), we get a palindrome (63542266224536).

The spelling of 31220033222323 in words is "thirty-one trillion, two hundred twenty billion, thirty-three million, two hundred twenty-two thousand, three hundred twenty-three".