31431243054 has 8 divisors (see below), whose sum is σ = 62862486120. Its totient is φ = 10477081016.

The previous prime is 31431242971. The next prime is 31431243059. The reversal of 31431243054 is 45034213413.

It is a sphenic number, since it is the product of 3 distinct primes.

31431243054 is an admirable number.

It is a super-4 number, since 4×31431243054⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31431243059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2619270249 + ... + 2619270260.

It is an arithmetic number, because the mean of its divisors is an integer number (7857810765).

Almost surely, 2^31431243054 is an apocalyptic number.

31431243054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31431243054 is a wasteful number, since it uses less digits than its factorization.

31431243054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238540514.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 31431243054 its reverse (45034213413), we get a palindrome (76465456467).

The spelling of 31431243054 in words is "thirty-one billion, four hundred thirty-one million, two hundred forty-three thousand, fifty-four".