31422020200 has 48 divisors (see below), whose sum is σ = 73085724000. Its totient is φ = 12563728320.

The previous prime is 31422020183. The next prime is 31422020207. The reversal of 31422020200 is 202022413.

It is not an unprimeable number, because it can be changed into a prime (31422020207) 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 11 ways as a sum of consecutive naturals, for example, 485341 + ... + 546259.

It is an arithmetic number, because the mean of its divisors is an integer number (1522619250).

Almost surely, 2^31422020200 is an apocalyptic number.

It is an amenable number.

31422020200 is an abundant number, since it is smaller than the sum of its proper divisors (41663703800).

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

31422020200 is a wasteful number, since it uses less digits than its factorization.

31422020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63514 (or 63505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 31422020200 its reverse (202022413), we get a palindrome (31624042613).

The spelling of 31422020200 in words is "thirty-one billion, four hundred twenty-two million, twenty thousand, two hundred".