31428734555 has 8 divisors (see below), whose sum is σ = 37716900000. Its totient is φ = 25141375296.

The previous prime is 31428734551. The next prime is 31428734563. The reversal of 31428734555 is 55543782413.

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

It is a cyclic number.

It is not a de Polignac number, because 31428734555 - 2² = 31428734551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31428734551) 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 7 ways as a sum of consecutive naturals, for example, 112175 + ... + 274664.

It is an arithmetic number, because the mean of its divisors is an integer number (4714612500).

Almost surely, 2^31428734555 is an apocalyptic number.

31428734555 is a deficient number, since it is larger than the sum of its proper divisors (6288165445).

31428734555 is a wasteful number, since it uses less digits than its factorization.

31428734555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403093.

The product of its digits is 2016000, while the sum is 47.

The spelling of 31428734555 in words is "thirty-one billion, four hundred twenty-eight million, seven hundred thirty-four thousand, five hundred fifty-five".