31482285089 has 2 divisors, whose sum is σ = 31482285090. Its totient is φ = 31482285088.

The previous prime is 31482285083. The next prime is 31482285103. The reversal of 31482285089 is 98058228413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31459052689 + 23232400 = 177367^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 31482285089 - 2¹² = 31482280993 is a prime.

It is a super-2 number, since 2×31482285089² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31482285083) 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, 15741142544 + 15741142545.

It is an arithmetic number, because the mean of its divisors is an integer number (15741142545).

Almost surely, 2^31482285089 is an apocalyptic number.

It is an amenable number.

31482285089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31482285089 is an equidigital number, since it uses as much as digits as its factorization.

31482285089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 31482285089 in words is "thirty-one billion, four hundred eighty-two million, two hundred eighty-five thousand, eighty-nine".