31321301083 has 2 divisors, whose sum is σ = 31321301084. Its totient is φ = 31321301082.

The previous prime is 31321301071. The next prime is 31321301111. The reversal of 31321301083 is 38010312313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31321301083 is a prime.

It is not a weakly prime, because it can be changed into another prime (31321371083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660650541 + 15660650542.

It is an arithmetic number, because the mean of its divisors is an integer number (15660650542).

Almost surely, 2^31321301083 is an apocalyptic number.

31321301083 is a deficient number, since it is larger than the sum of its proper divisors (1).

31321301083 is an equidigital number, since it uses as much as digits as its factorization.

31321301083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31321301083 its reverse (38010312313), we get a palindrome (69331613396).

The spelling of 31321301083 in words is "thirty-one billion, three hundred twenty-one million, three hundred one thousand, eighty-three".