1010312089 has 2 divisors, whose sum is σ = 1010312090. Its totient is φ = 1010312088.

The previous prime is 1010312087. The next prime is 1010312101. The reversal of 1010312089 is 9802130101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004382864 + 5929225 = 31692^2 + 2435^2 .

It is an emirp because it is prime and its reverse (9802130101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010312089 - 2¹ = 1010312087 is a prime.

Together with 1010312087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1010312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505156044 + 505156045.

It is an arithmetic number, because the mean of its divisors is an integer number (505156045).

Almost surely, 2^1010312089 is an apocalyptic number.

It is an amenable number.

1010312089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010312089 is an equidigital number, since it uses as much as digits as its factorization.

1010312089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1010312089 is about 31785.4068559772. The cubic root of 1010312089 is about 1003.4256147638.

The spelling of 1010312089 in words is "one billion, ten million, three hundred twelve thousand, eighty-nine".