31133020200323 has 2 divisors, whose sum is σ = 31133020200324. Its totient is φ = 31133020200322.

The previous prime is 31133020200287. The next prime is 31133020200341. The reversal of 31133020200323 is 32300202033113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31133020200323 - 2²⁶ = 31132953091459 is a prime.

It is not a weakly prime, because it can be changed into another prime (31133020200823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566510100161 + 15566510100162.

It is an arithmetic number, because the mean of its divisors is an integer number (15566510100162).

Almost surely, 2^{31133020200323} is an apocalyptic number.

31133020200323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31133020200323 is an equidigital number, since it uses as much as digits as its factorization.

31133020200323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31133020200323 its reverse (32300202033113), we get a palindrome (63433222233436).

The spelling of 31133020200323 in words is "thirty-one trillion, one hundred thirty-three billion, twenty million, two hundred thousand, three hundred twenty-three".