232135032131 has 4 divisors (see below), whose sum is σ = 235314964152. Its totient is φ = 228955100112.

The previous prime is 232135032089. The next prime is 232135032209. The reversal of 232135032131 is 131230531232.

232135032131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232135032131 - 2¹⁴ = 232135015747 is a prime.

It is a super-2 number, since 2×232135032131² (a number of 24 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 232135032131.

It is not an unprimeable number, because it can be changed into a prime (232135032931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589965901 + ... + 1589966046.

It is an arithmetic number, because the mean of its divisors is an integer number (58828741038).

Almost surely, 2^232135032131 is an apocalyptic number.

232135032131 is a deficient number, since it is larger than the sum of its proper divisors (3179932021).

232135032131 is an equidigital number, since it uses as much as digits as its factorization.

232135032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179932020.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 232135032131 its reverse (131230531232), we get a palindrome (363365563363).

The spelling of 232135032131 in words is "two hundred thirty-two billion, one hundred thirty-five million, thirty-two thousand, one hundred thirty-one".