31322120323 has 8 divisors (see below), whose sum is σ = 33809783616. Its totient is φ = 28845638400.

The previous prime is 31322120299. The next prime is 31322120327. The reversal of 31322120323 is 32302122313.

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 31322120323 - 2¹³ = 31322112131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31322120294 and 31322120303.

It is not an unprimeable number, because it can be changed into a prime (31322120327) 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, 2789518 + ... + 2800723.

It is an arithmetic number, because the mean of its divisors is an integer number (4226222952).

Almost surely, 2^31322120323 is an apocalyptic number.

31322120323 is a deficient number, since it is larger than the sum of its proper divisors (2487663293).

31322120323 is a wasteful number, since it uses less digits than its factorization.

31322120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590685.

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

Adding to 31322120323 its reverse (32302122313), we get a palindrome (63624242636).

The spelling of 31322120323 in words is "thirty-one billion, three hundred twenty-two million, one hundred twenty thousand, three hundred twenty-three".