31403054442 has 8 divisors (see below), whose sum is σ = 62806108896. Its totient is φ = 10467684812.

The previous prime is 31403054407. The next prime is 31403054497. The reversal of 31403054442 is 24445030413.

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

31403054442 is an admirable number.

It is an unprimeable number.

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, 2616921198 + ... + 2616921209.

It is an arithmetic number, because the mean of its divisors is an integer number (7850763612).

Almost surely, 2^31403054442 is an apocalyptic number.

31403054442 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.

31403054442 is a wasteful number, since it uses less digits than its factorization.

31403054442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233842412.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 31403054442 its reverse (24445030413), we get a palindrome (55848084855).

The spelling of 31403054442 in words is "thirty-one billion, four hundred three million, fifty-four thousand, four hundred forty-two".