32031121 has 2 divisors, whose sum is σ = 32031122. Its totient is φ = 32031120.

The previous prime is 32031113. The next prime is 32031143. The reversal of 32031121 is 12113023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 7230721 = 4980^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 32031121 - 2³ = 32031113 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (32031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16015560 + 16015561.

It is an arithmetic number, because the mean of its divisors is an integer number (16015561).

Almost surely, 2^32031121 is an apocalyptic number.

It is an amenable number.

32031121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32031121 is an equidigital number, since it uses as much as digits as its factorization.

32031121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 32031121 is about 5659.6043147909. The cubic root of 32031121 is about 317.5830968560.

Adding to 32031121 its reverse (12113023), we get a palindrome (44144144).

The spelling of 32031121 in words is "thirty-two million, thirty-one thousand, one hundred twenty-one".