31428641022 has 16 divisors (see below), whose sum is σ = 63563544720. Its totient is φ = 10358503232.

The previous prime is 31428640993. The next prime is 31428641033. The reversal of 31428641022 is 22014682413.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 29427033 + ... + 29428100.

It is an arithmetic number, because the mean of its divisors is an integer number (3972721545).

Almost surely, 2^31428641022 is an apocalyptic number.

31428641022 is an abundant number, since it is smaller than the sum of its proper divisors (32134903698).

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

31428641022 is a wasteful number, since it uses less digits than its factorization.

31428641022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58855227.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 31428641022 in words is "thirty-one billion, four hundred twenty-eight million, six hundred forty-one thousand, twenty-two".