31422101200 has 120 divisors (see below), whose sum is σ = 90817113920. Its totient is φ = 10206259200.

The previous prime is 31422101171. The next prime is 31422101209. The reversal of 31422101200 is 210122413.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422101209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242121 + ... + 348520.

Almost surely, 2^31422101200 is an apocalyptic number.

It is an amenable number.

31422101200 is an abundant number, since it is smaller than the sum of its proper divisors (59395012720).

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

31422101200 is a wasteful number, since it uses less digits than its factorization.

31422101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590685 (or 590674 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31422101200 its reverse (210122413), we get a palindrome (31632223613).

The spelling of 31422101200 in words is "thirty-one billion, four hundred twenty-two million, one hundred one thousand, two hundred".