31133122313023 has 8 divisors (see below), whose sum is σ = 31155220848960. Its totient is φ = 31111025341440.

The previous prime is 31133122313011. The next prime is 31133122313039. The reversal of 31133122313023 is 32031322133113.

It is a happy number.

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 31133122313023 - 2²⁹ = 31132585442111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31133122312982 and 31133122313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133122313323) 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, 40975543 + ... + 41728423.

It is an arithmetic number, because the mean of its divisors is an integer number (3894402606120).

Almost surely, 2^{31133122313023} is an apocalyptic number.

31133122313023 is a deficient number, since it is larger than the sum of its proper divisors (22098535937).

31133122313023 is a wasteful number, since it uses less digits than its factorization.

31133122313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782177.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31133122313023 its reverse (32031322133113), we get a palindrome (63164444446136).

The spelling of 31133122313023 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred twenty-two million, three hundred thirteen thousand, twenty-three".