31332021213029 has 2 divisors, whose sum is σ = 31332021213030. Its totient is φ = 31332021213028.

The previous prime is 31332021212971. The next prime is 31332021213109. The reversal of 31332021213029 is 92031212023313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17224973488804 + 14107047724225 = 4150298^2 + 3755935^2 .

It is a cyclic number.

It is not a de Polignac number, because 31332021213029 - 2¹² = 31332021208933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31332021212986 and 31332021213004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31332021213329) 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, 15666010606514 + 15666010606515.

It is an arithmetic number, because the mean of its divisors is an integer number (15666010606515).

Almost surely, 2^{31332021213029} is an apocalyptic number.

It is an amenable number.

31332021213029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31332021213029 is an equidigital number, since it uses as much as digits as its factorization.

31332021213029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 31332021213029 in words is "thirty-one trillion, three hundred thirty-two billion, twenty-one million, two hundred thirteen thousand, twenty-nine".