232220001131 has 4 divisors (see below), whose sum is σ = 232227894264. Its totient is φ = 232212108000.

The previous prime is 232220001127. The next prime is 232220001133. The reversal of 232220001131 is 131100022232.

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 232220001131 - 2² = 232220001127 is a prime.

It is a super-2 number, since 2×232220001131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232220001133) 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, 3902270 + ... + 3961331.

It is an arithmetic number, because the mean of its divisors is an integer number (58056973566).

Almost surely, 2^232220001131 is an apocalyptic number.

232220001131 is a deficient number, since it is larger than the sum of its proper divisors (7893133).

232220001131 is an equidigital number, since it uses as much as digits as its factorization.

232220001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893132.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 232220001131 its reverse (131100022232), we get a palindrome (363320023363).

The spelling of 232220001131 in words is "two hundred thirty-two billion, two hundred twenty million, one thousand, one hundred thirty-one".