31140124032 has 32 divisors (see below), whose sum is σ = 82715955480. Its totient is φ = 10380041216.

The previous prime is 31140124031. The next prime is 31140124063. The reversal of 31140124032 is 23042104113.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31140124031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40546653 + ... + 40547420.

Almost surely, 2^31140124032 is an apocalyptic number.

31140124032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31140124032 is an abundant number, since it is smaller than the sum of its proper divisors (51575831448).

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

31140124032 is an equidigital number, since it uses as much as digits as its factorization.

31140124032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81094090 (or 81094078 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31140124032 its reverse (23042104113), we get a palindrome (54182228145).

The spelling of 31140124032 in words is "thirty-one billion, one hundred forty million, one hundred twenty-four thousand, thirty-two".