31434422200 has 24 divisors (see below), whose sum is σ = 73085032080. Its totient is φ = 12573768800.

The previous prime is 31434422177. The next prime is 31434422231. The reversal of 31434422200 is 222443413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 78585856 + ... + 78586255.

It is an arithmetic number, because the mean of its divisors is an integer number (3045209670).

Almost surely, 2^31434422200 is an apocalyptic number.

It is an amenable number.

31434422200 is an abundant number, since it is smaller than the sum of its proper divisors (41650609880).

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

31434422200 is a wasteful number, since it uses less digits than its factorization.

31434422200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157172127 (or 157172118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31434422200 its reverse (222443413), we get a palindrome (31656865613).

The spelling of 31434422200 in words is "thirty-one billion, four hundred thirty-four million, four hundred twenty-two thousand, two hundred".