1232220031 has 8 divisors (see below), whose sum is σ = 1408922784. Its totient is φ = 1055685120.

The previous prime is 1232220029. The next prime is 1232220037. The reversal of 1232220031 is 1300222321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232220031 - 2¹ = 1232220029 is a prime.

It is a super-2 number, since 2×1232220031² = 3036732409595281922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232219987 and 1232220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232220037) 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 7 ways as a sum of consecutive naturals, for example, 25810 + ... + 55951.

It is an arithmetic number, because the mean of its divisors is an integer number (176115348).

Almost surely, 2^1232220031 is an apocalyptic number.

1232220031 is a deficient number, since it is larger than the sum of its proper divisors (176702753).

1232220031 is an equidigital number, since it uses as much as digits as its factorization.

1232220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83921.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1232220031 is about 35102.9917670845. The cubic root of 1232220031 is about 1072.0854982001.

Adding to 1232220031 its reverse (1300222321), we get a palindrome (2532442352).

The spelling of 1232220031 in words is "one billion, two hundred thirty-two million, two hundred twenty thousand, thirty-one".