31055428430 has 32 divisors (see below), whose sum is σ = 60207543648. Its totient is φ = 11465136000.

The previous prime is 31055428429. The next prime is 31055428433. The reversal of 31055428430 is 3482455013.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31055428433) 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 15 ways as a sum of consecutive naturals, for example, 2000900 + ... + 2016360.

It is an arithmetic number, because the mean of its divisors is an integer number (1881485739).

Almost surely, 2^31055428430 is an apocalyptic number.

31055428430 is a deficient number, since it is larger than the sum of its proper divisors (29152115218).

31055428430 is a wasteful number, since it uses less digits than its factorization.

31055428430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30932.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 31055428430 in words is "thirty-one billion, fifty-five million, four hundred twenty-eight thousand, four hundred thirty".