1232311330 has 32 divisors (see below), whose sum is σ = 2285501184. Its totient is φ = 478146816.

The previous prime is 1232311313. The next prime is 1232311343. The reversal of 1232311330 is 331132321.

It is a junction number, because it is equal to n+sod(n) for n = 1232311298 and 1232311307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41509 + ... + 64711.

It is an arithmetic number, because the mean of its divisors is an integer number (71421912).

Almost surely, 2^1232311330 is an apocalyptic number.

1232311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232311330 is a deficient number, since it is larger than the sum of its proper divisors (1053189854).

1232311330 is a wasteful number, since it uses less digits than its factorization.

1232311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1232311330 is about 35104.2921877083. The cubic root of 1232311330 is about 1072.1119755916. Note that the first 3 decimals are identical.

Adding to 1232311330 its reverse (331132321), we get a palindrome (1563443651).

It can be divided in two parts, 12323 and 11330, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 1232311330 in words is "one billion, two hundred thirty-two million, three hundred eleven thousand, three hundred thirty".