201100031040 has 112 divisors (see below), whose sum is σ = 672097533120. Its totient is φ = 50804213760.

The previous prime is 201100031039. The next prime is 201100031051. The reversal of 201100031040 is 40130001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5494371 + ... + 5530850.

Almost surely, 2^201100031040 is an apocalyptic number.

201100031040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100031040 is an abundant number, since it is smaller than the sum of its proper divisors (470997502080).

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

201100031040 is a wasteful number, since it uses less digits than its factorization.

201100031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025260 (or 11025250 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201100031040 its reverse (40130001102), we get a palindrome (241230032142).

The spelling of 201100031040 in words is "two hundred one billion, one hundred million, thirty-one thousand, forty".