1231442432330 has 128 divisors (see below), whose sum is σ = 2523568545792. Its totient is φ = 428594400000.

The previous prime is 1231442432303. The next prime is 1231442432417. The reversal of 1231442432330 is 332342441321.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 510758825 + ... + 510761235.

It is an arithmetic number, because the mean of its divisors is an integer number (19715379264).

Almost surely, 2^{1231442432330} is an apocalyptic number.

1231442432330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231442432330 is an abundant number, since it is smaller than the sum of its proper divisors (1292126113462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231442432330 is a wasteful number, since it uses less digits than its factorization.

1231442432330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1231442432330 its reverse (332342441321), we get a palindrome (1563784873651).

The spelling of 1231442432330 in words is "one trillion, two hundred thirty-one billion, four hundred forty-two million, four hundred thirty-two thousand, three hundred thirty".