31324121203 has 2 divisors, whose sum is σ = 31324121204. Its totient is φ = 31324121202.

The previous prime is 31324121201. The next prime is 31324121207. The reversal of 31324121203 is 30212142313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31324121203 - 2¹ = 31324121201 is a prime.

Together with 31324121201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31324121201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662060601 + 15662060602.

It is an arithmetic number, because the mean of its divisors is an integer number (15662060602).

Almost surely, 2^31324121203 is an apocalyptic number.

31324121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31324121203 is an equidigital number, since it uses as much as digits as its factorization.

31324121203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31324121203 its reverse (30212142313), we get a palindrome (61536263516).

The spelling of 31324121203 in words is "thirty-one billion, three hundred twenty-four million, one hundred twenty-one thousand, two hundred three".