32121201313 has 4 divisors (see below), whose sum is σ = 32254484548. Its totient is φ = 31987918080.

The previous prime is 32121201311. The next prime is 32121201337. The reversal of 32121201313 is 31310212123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25270825024 + 6850376289 = 158968^2 + 82767^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121201313 - 2¹ = 32121201311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121201311) 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 in 3 ways as a sum of consecutive naturals, for example, 66641256 + ... + 66641737.

It is an arithmetic number, because the mean of its divisors is an integer number (8063621137).

Almost surely, 2^32121201313 is an apocalyptic number.

It is an amenable number.

32121201313 is a deficient number, since it is larger than the sum of its proper divisors (133283235).

32121201313 is a wasteful number, since it uses less digits than its factorization.

32121201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133283234.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 32121201313 its reverse (31310212123), we get a palindrome (63431413436).

The spelling of 32121201313 in words is "thirty-two billion, one hundred twenty-one million, two hundred one thousand, three hundred thirteen".