31110020441 has 2 divisors, whose sum is σ = 31110020442. Its totient is φ = 31110020440.

The previous prime is 31110020429. The next prime is 31110020489. The reversal of 31110020441 is 14402001113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21962054416 + 9147966025 = 148196^2 + 95645^2 .

It is a cyclic number.

It is not a de Polignac number, because 31110020441 - 2⁶ = 31110020377 is a prime.

It is not a weakly prime, because it can be changed into another prime (31110020141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555010220 + 15555010221.

It is an arithmetic number, because the mean of its divisors is an integer number (15555010221).

Almost surely, 2^31110020441 is an apocalyptic number.

It is an amenable number.

31110020441 is a deficient number, since it is larger than the sum of its proper divisors (1).

31110020441 is an equidigital number, since it uses as much as digits as its factorization.

31110020441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31110020441 its reverse (14402001113), we get a palindrome (45512021554).

The spelling of 31110020441 in words is "thirty-one billion, one hundred ten million, twenty thousand, four hundred forty-one".