1232131330 has 16 divisors (see below), whose sum is σ = 2226273984. Its totient is φ = 490977520.

The previous prime is 1232131319. The next prime is 1232131357. The reversal of 1232131330 is 331312321.

It is a super-2 number, since 2×1232131330² = 3036295228735137800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232131298 and 1232131307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231616 + ... + 236875.

It is an arithmetic number, because the mean of its divisors is an integer number (139142124).

Almost surely, 2^1232131330 is an apocalyptic number.

1232131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232131330 is a deficient number, since it is larger than the sum of its proper divisors (994142654).

1232131330 is a wasteful number, since it uses less digits than its factorization.

1232131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468761.

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

The square root of 1232131330 is about 35101.7283050279. The cubic root of 1232131330 is about 1072.0597729953.

Adding to 1232131330 its reverse (331312321), we get a palindrome (1563443651).

The spelling of 1232131330 in words is "one billion, two hundred thirty-two million, one hundred thirty-one thousand, three hundred thirty".