31211201232383 has 2 divisors, whose sum is σ = 31211201232384. Its totient is φ = 31211201232382.

The previous prime is 31211201232293. The next prime is 31211201232391. The reversal of 31211201232383 is 38323210211213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31211201232383 - 2³⁴ = 31194021363199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31211206232383) 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 as a sum of consecutive naturals, namely, 15605600616191 + 15605600616192.

It is an arithmetic number, because the mean of its divisors is an integer number (15605600616192).

Almost surely, 2^{31211201232383} is an apocalyptic number.

31211201232383 is a deficient number, since it is larger than the sum of its proper divisors (1).

31211201232383 is an equidigital number, since it uses as much as digits as its factorization.

31211201232383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 31211201232383 its reverse (38323210211213), we get a palindrome (69534411443596).

The spelling of 31211201232383 in words is "thirty-one trillion, two hundred eleven billion, two hundred one million, two hundred thirty-two thousand, three hundred eighty-three".