32113311961 has 2 divisors, whose sum is σ = 32113311962. Its totient is φ = 32113311960.

The previous prime is 32113311949. The next prime is 32113312003. The reversal of 32113311961 is 16911331123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29805950736 + 2307361225 = 172644^2 + 48035^2 .

It is a cyclic number.

It is not a de Polignac number, because 32113311961 - 2¹³ = 32113303769 is a prime.

It is not a weakly prime, because it can be changed into another prime (32113311911) 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 as a sum of consecutive naturals, namely, 16056655980 + 16056655981.

It is an arithmetic number, because the mean of its divisors is an integer number (16056655981).

Almost surely, 2^32113311961 is an apocalyptic number.

It is an amenable number.

32113311961 is a deficient number, since it is larger than the sum of its proper divisors (1).

32113311961 is an equidigital number, since it uses as much as digits as its factorization.

32113311961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The spelling of 32113311961 in words is "thirty-two billion, one hundred thirteen million, three hundred eleven thousand, nine hundred sixty-one".