31631540014 has 4 divisors (see below), whose sum is σ = 47447310024. Its totient is φ = 15815770006.

The previous prime is 31631539999. The next prime is 31631540041. The reversal of 31631540014 is 41004513613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41004513613 = 7 ⋅5857787659.

It is a congruent number.

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, 7907885002 + ... + 7907885005.

It is an arithmetic number, because the mean of its divisors is an integer number (11861827506).

Almost surely, 2^31631540014 is an apocalyptic number.

31631540014 is a deficient number, since it is larger than the sum of its proper divisors (15815770010).

31631540014 is a wasteful number, since it uses less digits than its factorization.

31631540014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815770009.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 31631540014 in words is "thirty-one billion, six hundred thirty-one million, five hundred forty thousand, fourteen".