31241454318 has 24 divisors (see below), whose sum is σ = 69130028448. Its totient is φ = 10192247232.

The previous prime is 31241454317. The next prime is 31241454379. The reversal of 31241454318 is 81345414213.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31241454317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18463371 + ... + 18465062.

It is an arithmetic number, because the mean of its divisors is an integer number (2880417852).

Almost surely, 2^31241454318 is an apocalyptic number.

31241454318 is an abundant number, since it is smaller than the sum of its proper divisors (37888574130).

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

31241454318 is a wasteful number, since it uses less digits than its factorization.

31241454318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36928488 (or 36928485 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 31241454318 in words is "thirty-one billion, two hundred forty-one million, four hundred fifty-four thousand, three hundred eighteen".