133144240314231 has 12 divisors (see below), whose sum is σ = 195948127255608. Its totient is φ = 87088056557424.

The previous prime is 133144240314121. The next prime is 133144240314233. The reversal of 133144240314231 is 132413042441331.

133144240314231 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 4 + 4 + 2 + 403 + 14 + 231 = 666.

It is not a de Polignac number, because 133144240314231 - 2⁷ = 133144240314103 is a prime.

It is a super-2 number, since 2×133144240314231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133144240314233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139564192725 + ... + 139564193678.

It is an arithmetic number, because the mean of its divisors is an integer number (16329010604634).

Almost surely, 2^{133144240314231} is an apocalyptic number.

133144240314231 is a deficient number, since it is larger than the sum of its proper divisors (62803886941377).

133144240314231 is a wasteful number, since it uses less digits than its factorization.

133144240314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279128386462 (or 279128386459 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 133144240314231 its reverse (132413042441331), we get a palindrome (265557282755562).

The spelling of 133144240314231 in words is "one hundred thirty-three trillion, one hundred forty-four billion, two hundred forty million, three hundred fourteen thousand, two hundred thirty-one".