32131023121 has 2 divisors, whose sum is σ = 32131023122. Its totient is φ = 32131023120.

The previous prime is 32131023109. The next prime is 32131023173. The reversal of 32131023121 is 12132013123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30602604096 + 1528419025 = 174936^2 + 39095^2 .

It is an emirp because it is prime and its reverse (12132013123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32131023121 - 2⁷ = 32131022993 is a prime.

It is not a weakly prime, because it can be changed into another prime (32131023191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065511560 + 16065511561.

It is an arithmetic number, because the mean of its divisors is an integer number (16065511561).

Almost surely, 2^32131023121 is an apocalyptic number.

It is an amenable number.

32131023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131023121 is an equidigital number, since it uses as much as digits as its factorization.

32131023121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 32131023121 its reverse (12132013123), we get a palindrome (44263036244).

The spelling of 32131023121 in words is "thirty-two billion, one hundred thirty-one million, twenty-three thousand, one hundred twenty-one".