31094793666 has 24 divisors (see below), whose sum is σ = 68377608624. Its totient is φ = 10210230360.

The previous prime is 31094793661. The next prime is 31094793671. The reversal of 31094793666 is 66639749013.

It is an interprime number because it is at equal distance from previous prime (31094793661) and next prime (31094793671).

It is a super-2 number, since 2×31094793666² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31094793661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12890500 + ... + 12892911.

It is an arithmetic number, because the mean of its divisors is an integer number (2849067026).

Almost surely, 2^31094793666 is an apocalyptic number.

31094793666 is an abundant number, since it is smaller than the sum of its proper divisors (37282814958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31094793666 is a wasteful number, since it uses less digits than its factorization.

31094793666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25783486 (or 25783483 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 31094793666 in words is "thirty-one billion, ninety-four million, seven hundred ninety-three thousand, six hundred sixty-six".