31346585107 has 4 divisors (see below), whose sum is σ = 33190501896. Its totient is φ = 29502668320.

The previous prime is 31346585089. The next prime is 31346585117. The reversal of 31346585107 is 70158564313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70158564313 = 12379 ⋅5667547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31346585107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31346585117) 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 3 ways as a sum of consecutive naturals, for example, 921958369 + ... + 921958402.

It is an arithmetic number, because the mean of its divisors is an integer number (8297625474).

Almost surely, 2^31346585107 is an apocalyptic number.

31346585107 is a deficient number, since it is larger than the sum of its proper divisors (1843916789).

31346585107 is a wasteful number, since it uses less digits than its factorization.

31346585107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843916788.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 31346585107 in words is "thirty-one billion, three hundred forty-six million, five hundred eighty-five thousand, one hundred seven".