31001313303089 has 2 divisors, whose sum is σ = 31001313303090. Its totient is φ = 31001313303088.

The previous prime is 31001313303071. The next prime is 31001313303161. The reversal of 31001313303089 is 98030331310013.

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., 23549832835489 + 7451480467600 = 4852817^2 + 2729740^2 .

It is a cyclic number.

It is not a de Polignac number, because 31001313303089 - 2²⁴ = 31001296525873 is a prime.

It is a super-2 number, since 2×31001313303089² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31001313303049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15500656651544 + 15500656651545.

It is an arithmetic number, because the mean of its divisors is an integer number (15500656651545).

Almost surely, 2^{31001313303089} is an apocalyptic number.

It is an amenable number.

31001313303089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31001313303089 is an equidigital number, since it uses as much as digits as its factorization.

31001313303089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 31001313303089 in words is "thirty-one trillion, one billion, three hundred thirteen million, three hundred three thousand, eighty-nine".