31956465914 has 8 divisors (see below), whose sum is σ = 48018944340. Its totient is φ = 15950151136.

The previous prime is 31956465881. The next prime is 31956465923. The reversal of 31956465914 is 41956465913.

It can be written as a sum of positive squares in 2 ways, for example, as 31909748689 + 46717225 = 178633^2 + 6835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×31956465914³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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, 14039489 + ... + 14041764.

Almost surely, 2^31956465914 is an apocalyptic number.

31956465914 is a deficient number, since it is larger than the sum of its proper divisors (16062478426).

31956465914 is a wasteful number, since it uses less digits than its factorization.

31956465914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28081824.

The product of its digits is 3499200, while the sum is 53.

Subtracting 31956465914 from its reverse (41956465913), we obtain a palindrome (9999999999).

The spelling of 31956465914 in words is "thirty-one billion, nine hundred fifty-six million, four hundred sixty-five thousand, nine hundred fourteen".