201144131 has 8 divisors (see below), whose sum is σ = 211817760. Its totient is φ = 190631232.

The previous prime is 201144113. The next prime is 201144137. The reversal of 201144131 is 131441102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201144131 - 2¹⁴ = 201127747 is a prime.

It is a super-2 number, since 2×201144131² = 80917922871490322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201144137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37610 + ... + 42623.

It is an arithmetic number, because the mean of its divisors is an integer number (26477220).

Almost surely, 2^201144131 is an apocalyptic number.

201144131 is a deficient number, since it is larger than the sum of its proper divisors (10673629).

201144131 is a wasteful number, since it uses less digits than its factorization.

201144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80365.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 201144131 is about 14182.5290762967. The cubic root of 201144131 is about 585.9165810193.

Adding to 201144131 its reverse (131441102), we get a palindrome (332585233).

The spelling of 201144131 in words is "two hundred one million, one hundred forty-four thousand, one hundred thirty-one".