31222310323 has 8 divisors (see below), whose sum is σ = 31320225216. Its totient is φ = 31124496000.

The previous prime is 31222310321. The next prime is 31222310377. The reversal of 31222310323 is 32301322213.

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 31222310323 - 2¹ = 31222310321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31222310294 and 31222310303.

It is not an unprimeable number, because it can be changed into a prime (31222310321) 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, 622678 + ... + 670948.

It is an arithmetic number, because the mean of its divisors is an integer number (3915028152).

Almost surely, 2^31222310323 is an apocalyptic number.

31222310323 is a deficient number, since it is larger than the sum of its proper divisors (97914893).

31222310323 is a wasteful number, since it uses less digits than its factorization.

31222310323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50285.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31222310323 its reverse (32301322213), we get a palindrome (63523632536).

The spelling of 31222310323 in words is "thirty-one billion, two hundred twenty-two million, three hundred ten thousand, three hundred twenty-three".