31440202110200 has 48 divisors (see below), whose sum is σ = 78721429136280. Its totient is φ = 11608690008960.

The previous prime is 31440202110181. The next prime is 31440202110217. The reversal of 31440202110200 is 201120204413.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6046190114 + ... + 6046195313.

Almost surely, 2^{31440202110200} is an apocalyptic number.

It is an amenable number.

31440202110200 is an abundant number, since it is smaller than the sum of its proper divisors (47281227026080).

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

31440202110200 is a wasteful number, since it uses less digits than its factorization.

31440202110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092385456 (or 12092385447 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31440202110200 its reverse (201120204413), we get a palindrome (31641322314613).

The spelling of 31440202110200 in words is "thirty-one trillion, four hundred forty billion, two hundred two million, one hundred ten thousand, two hundred".