32131120009 has 2 divisors, whose sum is σ = 32131120010. Its totient is φ = 32131120008.

The previous prime is 32131119983. The next prime is 32131120027. The reversal of 32131120009 is 90002113123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18388716025 + 13742403984 = 135605^2 + 117228^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131120009 - 2¹¹ = 32131117961 is a prime.

It is not a weakly prime, because it can be changed into another prime (32131127009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065560004 + 16065560005.

It is an arithmetic number, because the mean of its divisors is an integer number (16065560005).

Almost surely, 2^32131120009 is an apocalyptic number.

It is an amenable number.

32131120009 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131120009 is an equidigital number, since it uses as much as digits as its factorization.

32131120009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 32131120009 in words is "thirty-two billion, one hundred thirty-one million, one hundred twenty thousand, nine".