31422020204 has 6 divisors (see below), whose sum is σ = 54988535364. Its totient is φ = 15711010100.

The previous prime is 31422020183. The next prime is 31422020207. The reversal of 31422020204 is 40202022413.

It is not an unprimeable number, because it can be changed into a prime (31422020207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3927752522 + ... + 3927752529.

It is an arithmetic number, because the mean of its divisors is an integer number (9164755894).

Almost surely, 2^31422020204 is an apocalyptic number.

It is an amenable number.

31422020204 is a deficient number, since it is larger than the sum of its proper divisors (23566515160).

31422020204 is a wasteful number, since it uses less digits than its factorization.

31422020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855505055 (or 7855505053 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 31422020204 its reverse (40202022413), we get a palindrome (71624042617).

The spelling of 31422020204 in words is "thirty-one billion, four hundred twenty-two million, twenty thousand, two hundred four".