201331124244 has 72 divisors (see below), whose sum is σ = 514170296640. Its totient is φ = 66419281152.

The previous prime is 201331124231. The next prime is 201331124257. The reversal of 201331124244 is 442421133102.

201331124244 is a `hidden beast` number, since 201 + 3 + 31 + 1 + 2 + 424 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (201331124231) and next prime (201331124257).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4070092 + ... + 4119260.

It is an arithmetic number, because the mean of its divisors is an integer number (7141254120).

Almost surely, 2^201331124244 is an apocalyptic number.

It is an amenable number.

201331124244 is an abundant number, since it is smaller than the sum of its proper divisors (312839172396).

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

201331124244 is a wasteful number, since it uses less digits than its factorization.

201331124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50349 (or 50344 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 201331124244 its reverse (442421133102), we get a palindrome (643752257346).

The spelling of 201331124244 in words is "two hundred one billion, three hundred thirty-one million, one hundred twenty-four thousand, two hundred forty-four".