31067089 has 4 divisors (see below), whose sum is σ = 32417856. Its totient is φ = 29716324.

The previous prime is 31067081. The next prime is 31067111. The reversal of 31067089 is 98076013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98076013 = 7 ⋅14010859.

It is a cyclic number.

It is not a de Polignac number, because 31067089 - 2³ = 31067081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31067081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675349 + ... + 675394.

It is an arithmetic number, because the mean of its divisors is an integer number (8104464).

Almost surely, 2^31067089 is an apocalyptic number.

It is an amenable number.

31067089 is a deficient number, since it is larger than the sum of its proper divisors (1350767).

31067089 is a wasteful number, since it uses less digits than its factorization.

31067089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350766.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 31067089 is about 5573.7858767628. The cubic root of 31067089 is about 314.3645171050.

The spelling of 31067089 in words is "thirty-one million, sixty-seven thousand, eighty-nine".