152340140231 has 4 divisors (see below), whose sum is σ = 152340921864. Its totient is φ = 152339358600.

The previous prime is 152340140203. The next prime is 152340140243. The reversal of 152340140231 is 132041043251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 132041043251 = 13 ⋅10157003327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152340140231 is a prime.

It is a super-2 number, since 2×152340140231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152340140231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152340149231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165521 + ... + 576261.

It is an arithmetic number, because the mean of its divisors is an integer number (38085230466).

Almost surely, 2^152340140231 is an apocalyptic number.

152340140231 is a deficient number, since it is larger than the sum of its proper divisors (781633).

152340140231 is an equidigital number, since it uses as much as digits as its factorization.

152340140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781632.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 152340140231 its reverse (132041043251), we get a palindrome (284381183482).

The spelling of 152340140231 in words is "one hundred fifty-two billion, three hundred forty million, one hundred forty thousand, two hundred thirty-one".