31454052140 has 48 divisors (see below), whose sum is σ = 75501959232. Its totient is φ = 10782498816.

The previous prime is 31454052121. The next prime is 31454052167. The reversal of 31454052140 is 4125045413.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087952 + ... + 1116488.

It is an arithmetic number, because the mean of its divisors is an integer number (1572957484).

Almost surely, 2^31454052140 is an apocalyptic number.

It is an amenable number.

31454052140 is an abundant number, since it is smaller than the sum of its proper divisors (44047907092).

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

31454052140 is a wasteful number, since it uses less digits than its factorization.

31454052140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36426 (or 36424 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 31454052140 its reverse (4125045413), we get a palindrome (35579097553).

The spelling of 31454052140 in words is "thirty-one billion, four hundred fifty-four million, fifty-two thousand, one hundred forty".