31450544242 has 8 divisors (see below), whose sum is σ = 50804725356. Its totient is φ = 14515635792.

The previous prime is 31450544201. The next prime is 31450544291. The reversal of 31450544242 is 24244505413.

It can be written as a sum of positive squares in 2 ways, for example, as 30471542721 + 979001521 = 174561^2 + 31289^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31450544198 and 31450544207.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 604818133 + ... + 604818184.

Almost surely, 2^31450544242 is an apocalyptic number.

31450544242 is a deficient number, since it is larger than the sum of its proper divisors (19354181114).

31450544242 is a wasteful number, since it uses less digits than its factorization.

31450544242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209636332.

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 31450544242 in words is "thirty-one billion, four hundred fifty million, five hundred forty-four thousand, two hundred forty-two".