232003213131 has 4 divisors (see below), whose sum is σ = 309337617512. Its totient is φ = 154668808752.

The previous prime is 232003213121. The next prime is 232003213153. The reversal of 232003213131 is 131312300232.

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

It is not a de Polignac number, because 232003213131 - 2¹⁵ = 232003180363 is a prime.

It is a super-2 number, since 2×232003213131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232003213098 and 232003213107.

It is not an unprimeable number, because it can be changed into a prime (232003213121) 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, 38667202186 + ... + 38667202191.

It is an arithmetic number, because the mean of its divisors is an integer number (77334404378).

Almost surely, 2^232003213131 is an apocalyptic number.

232003213131 is a deficient number, since it is larger than the sum of its proper divisors (77334404381).

232003213131 is an equidigital number, since it uses as much as digits as its factorization.

232003213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77334404380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 232003213131 its reverse (131312300232), we get a palindrome (363315513363).

The spelling of 232003213131 in words is "two hundred thirty-two billion, three million, two hundred thirteen thousand, one hundred thirty-one".