31612165114 has 4 divisors (see below), whose sum is σ = 47418247674. Its totient is φ = 15806082556.

The previous prime is 31612165051. The next prime is 31612165121. The reversal of 31612165114 is 41156121613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41156121613 = 7321 ⋅5621653.

It can be written as a sum of positive squares in only one way, i.e., 31476791889 + 135373225 = 177417^2 + 11635^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7903041277 + ... + 7903041280.

Almost surely, 2^31612165114 is an apocalyptic number.

31612165114 is a deficient number, since it is larger than the sum of its proper divisors (15806082560).

31612165114 is a wasteful number, since it uses less digits than its factorization.

31612165114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15806082559.

The product of its digits is 4320, while the sum is 31.

Adding to 31612165114 its reverse (41156121613), we get a palindrome (72768286727).

The spelling of 31612165114 in words is "thirty-one billion, six hundred twelve million, one hundred sixty-five thousand, one hundred fourteen".