31033718984140 has 48 divisors (see below), whose sum is σ = 70609140135072. Its totient is φ = 11411578192896.

The previous prime is 31033718984131. The next prime is 31033718984141. The reversal of 31033718984140 is 4148981733013.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31033718984141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061330079 + ... + 1061359318.

It is an arithmetic number, because the mean of its divisors is an integer number (1471023752814).

Almost surely, 2^{31033718984140} is an apocalyptic number.

It is an amenable number.

31033718984140 is an abundant number, since it is smaller than the sum of its proper divisors (39575421150932).

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

31033718984140 is a wasteful number, since it uses less digits than its factorization.

31033718984140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122689466 (or 2122689464 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 31033718984140 in words is "thirty-one trillion, thirty-three billion, seven hundred eighteen million, nine hundred eighty-four thousand, one hundred forty".