165352141431 has 24 divisors (see below), whose sum is σ = 241028223696. Its totient is φ = 109226315520.

The previous prime is 165352141429. The next prime is 165352141439. The reversal of 165352141431 is 134141253561.

165352141431 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 5 + 214 + 1 + 431 = 666.

It is not a de Polignac number, because 165352141431 - 2¹ = 165352141429 is a prime.

It is a super-2 number, since 2×165352141431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165352141439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3619176 + ... + 3664578.

It is an arithmetic number, because the mean of its divisors is an integer number (10042842654).

Almost surely, 2^165352141431 is an apocalyptic number.

165352141431 is a deficient number, since it is larger than the sum of its proper divisors (75676082265).

165352141431 is a wasteful number, since it uses less digits than its factorization.

165352141431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49103 (or 49100 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 165352141431 its reverse (134141253561), we get a palindrome (299493394992).

The spelling of 165352141431 in words is "one hundred sixty-five billion, three hundred fifty-two million, one hundred forty-one thousand, four hundred thirty-one".