31312030203323 has 8 divisors (see below), whose sum is σ = 31622173886016. Its totient is φ = 31001888944000.

The previous prime is 31312030203317. The next prime is 31312030203371. The reversal of 31312030203323 is 32330203021313.

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 31312030203323 - 2¹⁴ = 31312030186939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31312030203292 and 31312030203301.

It is not an unprimeable number, because it can be changed into a prime (31312030203023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36656990 + ... + 37501452.

It is an arithmetic number, because the mean of its divisors is an integer number (3952771735752).

Almost surely, 2^{31312030203323} is an apocalyptic number.

31312030203323 is a deficient number, since it is larger than the sum of its proper divisors (310143682693).

31312030203323 is a wasteful number, since it uses less digits than its factorization.

31312030203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211685.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 31312030203323 its reverse (32330203021313), we get a palindrome (63642233224636).

The spelling of 31312030203323 in words is "thirty-one trillion, three hundred twelve billion, thirty million, two hundred three thousand, three hundred twenty-three".