31201013200 has 60 divisors (see below), whose sum is σ = 85669075360. Its totient is φ = 10697489280.

The previous prime is 31201013171. The next prime is 31201013209. The reversal of 31201013200 is 231010213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201013209) 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, 5568810 + ... + 5574409.

Almost surely, 2^31201013200 is an apocalyptic number.

It is an amenable number.

31201013200 is an abundant number, since it is smaller than the sum of its proper divisors (54468062160).

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

31201013200 is a wasteful number, since it uses less digits than its factorization.

31201013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143244 (or 11143233 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31201013200 its reverse (231010213), we get a palindrome (31432023413).

The spelling of 31201013200 in words is "thirty-one billion, two hundred one million, thirteen thousand, two hundred".