31300332011321 has 2 divisors, whose sum is σ = 31300332011322. Its totient is φ = 31300332011320.

The previous prime is 31300332011309. The next prime is 31300332011381. The reversal of 31300332011321 is 12311023300313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31249441614400 + 50890396921 = 5590120^2 + 225589^2 .

It is a cyclic number.

It is not a de Polignac number, because 31300332011321 - 2¹⁸ = 31300331749177 is a prime.

It is a super-2 number, since 2×31300332011321² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31300332011381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650166005660 + 15650166005661.

It is an arithmetic number, because the mean of its divisors is an integer number (15650166005661).

Almost surely, 2^{31300332011321} is an apocalyptic number.

It is an amenable number.

31300332011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300332011321 is an equidigital number, since it uses as much as digits as its factorization.

31300332011321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31300332011321 its reverse (12311023300313), we get a palindrome (43611355311634).

The spelling of 31300332011321 in words is "thirty-one trillion, three hundred billion, three hundred thirty-two million, eleven thousand, three hundred twenty-one".