31311330203323 has 8 divisors (see below), whose sum is σ = 31521844746000. Its totient is φ = 31100820612768.

The previous prime is 31311330203267. The next prime is 31311330203389. The reversal of 31311330203323 is 32330203311313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31311330203323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31311330203291 and 31311330203300.

It is not an unprimeable number, because it can be changed into a prime (31311330207323) 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, 11918493 + ... + 14306401.

It is an arithmetic number, because the mean of its divisors is an integer number (3940230593250).

Almost surely, 2^{31311330203323} is an apocalyptic number.

31311330203323 is a deficient number, since it is larger than the sum of its proper divisors (210514542677).

31311330203323 is a wasteful number, since it uses less digits than its factorization.

31311330203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476061.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31311330203323 its reverse (32330203311313), we get a palindrome (63641533514636).

The spelling of 31311330203323 in words is "thirty-one trillion, three hundred eleven billion, three hundred thirty million, two hundred three thousand, three hundred twenty-three".