31441011073 has 2 divisors, whose sum is σ = 31441011074. Its totient is φ = 31441011072.

The previous prime is 31441011037. The next prime is 31441011149. The reversal of 31441011073 is 37011014413.

It is a happy number.

Together with previous prime (31441011037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27445886224 + 3995124849 = 165668^2 + 63207^2 .

It is a cyclic number.

It is not a de Polignac number, because 31441011073 - 2⁹ = 31441010561 is a prime.

It is a super-2 number, since 2×31441011073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31441011023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720505536 + 15720505537.

It is an arithmetic number, because the mean of its divisors is an integer number (15720505537).

Almost surely, 2^31441011073 is an apocalyptic number.

It is an amenable number.

31441011073 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441011073 is an equidigital number, since it uses as much as digits as its factorization.

31441011073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 31441011073 its reverse (37011014413), we get a palindrome (68452025486).

The spelling of 31441011073 in words is "thirty-one billion, four hundred forty-one million, eleven thousand, seventy-three".