431020402984 has 64 divisors (see below), whose sum is σ = 875375424000. Its totient is φ = 198184356864.

The previous prime is 431020402979. The next prime is 431020402987. The reversal of 431020402984 is 489204020134.

It is a super-2 number, since 2×431020402984² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431020402987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3772522 + ... + 3885094.

It is an arithmetic number, because the mean of its divisors is an integer number (13677741000).

Almost surely, 2^431020402984 is an apocalyptic number.

It is an amenable number.

431020402984 is an abundant number, since it is smaller than the sum of its proper divisors (444355021016).

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

431020402984 is a wasteful number, since it uses less digits than its factorization.

431020402984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113242 (or 113238 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 431020402984 in words is "four hundred thirty-one billion, twenty million, four hundred two thousand, nine hundred eighty-four".