201131112044 has 24 divisors (see below), whose sum is σ = 357488909568. Its totient is φ = 98995804880.

The previous prime is 201131112031. The next prime is 201131112053. The reversal of 201131112044 is 440211131102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363554 + ... + 731049.

It is an arithmetic number, because the mean of its divisors is an integer number (14895371232).

Almost surely, 2^201131112044 is an apocalyptic number.

It is an amenable number.

201131112044 is a deficient number, since it is larger than the sum of its proper divisors (156357797524).

201131112044 is a wasteful number, since it uses less digits than its factorization.

201131112044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095325 (or 1095323 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201131112044 its reverse (440211131102), we get a palindrome (641342243146).

The spelling of 201131112044 in words is "two hundred one billion, one hundred thirty-one million, one hundred twelve thousand, forty-four".