31094019 has 24 divisors (see below), whose sum is σ = 49561200. Its totient is φ = 18627840.

The previous prime is 31094017. The next prime is 31094027. The reversal of 31094019 is 91049013.

It is not a de Polignac number, because 31094019 - 2¹ = 31094017 is a prime.

It is a super-2 number, since 2×31094019² = 1933676035144722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31093983 and 31094001.

It is not an unprimeable number, because it can be changed into a prime (31094017) 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 23 ways as a sum of consecutive naturals, for example, 7047 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (2065050).

Almost surely, 2^31094019 is an apocalyptic number.

31094019 is a deficient number, since it is larger than the sum of its proper divisors (18467181).

31094019 is a wasteful number, since it uses less digits than its factorization.

31094019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 31094019 is about 5576.2011262149. The cubic root of 31094019 is about 314.4553247919.

The spelling of 31094019 in words is "thirty-one million, ninety-four thousand, nineteen".