1232420331 has 8 divisors (see below), whose sum is σ = 1644298240. Its totient is φ = 821077992.

The previous prime is 1232420269. The next prime is 1232420369. The reversal of 1232420331 is 1330242321.

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

It is not a de Polignac number, because 1232420331 - 2²¹ = 1230323179 is a prime.

It is a super-2 number, since 2×1232420331² = 3037719744524299122, 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 = 1232420298 and 1232420307.

It is not an unprimeable number, because it can be changed into a prime (1232400331) 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, 128491 + ... + 137748.

It is an arithmetic number, because the mean of its divisors is an integer number (205537280).

Almost surely, 2^1232420331 is an apocalyptic number.

1232420331 is a deficient number, since it is larger than the sum of its proper divisors (411877909).

1232420331 is a wasteful number, since it uses less digits than its factorization.

1232420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267785.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1232420331 is about 35105.8446843257. The cubic root of 1232420331 is about 1072.1435849826.

Adding to 1232420331 its reverse (1330242321), we get a palindrome (2562662652).

The spelling of 1232420331 in words is "one billion, two hundred thirty-two million, four hundred twenty thousand, three hundred thirty-one".