31116140052 has 24 divisors (see below), whose sum is σ = 74292800736. Its totient is φ = 10130836128.

The previous prime is 31116140047. The next prime is 31116140071. The reversal of 31116140052 is 25004161113.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30150783 + ... + 30151814.

It is an arithmetic number, because the mean of its divisors is an integer number (3095533364).

Almost surely, 2^31116140052 is an apocalyptic number.

It is an amenable number.

31116140052 is an abundant number, since it is smaller than the sum of its proper divisors (43176660684).

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

31116140052 is a wasteful number, since it uses less digits than its factorization.

31116140052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60302647 (or 60302645 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 31116140052 in words is "thirty-one billion, one hundred sixteen million, one hundred forty thousand, fifty-two".