232001220331 has 4 divisors (see below), whose sum is σ = 237396597592. Its totient is φ = 226605843072.

The previous prime is 232001220277. The next prime is 232001220371. The reversal of 232001220331 is 133022100232.

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 232001220331 - 2¹⁵ = 232001187563 is a prime.

It is a super-2 number, since 2×232001220331² (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 = 232001220299 and 232001220308.

It is not an unprimeable number, because it can be changed into a prime (232001220371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697688566 + ... + 2697688651.

It is an arithmetic number, because the mean of its divisors is an integer number (59349149398).

Almost surely, 2^232001220331 is an apocalyptic number.

232001220331 is a deficient number, since it is larger than the sum of its proper divisors (5395377261).

232001220331 is an equidigital number, since it uses as much as digits as its factorization.

232001220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395377260.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 232001220331 its reverse (133022100232), we get a palindrome (365023320563).

The spelling of 232001220331 in words is "two hundred thirty-two billion, one million, two hundred twenty thousand, three hundred thirty-one".