1231334443130 has 64 divisors (see below), whose sum is σ = 2447185893120. Its totient is φ = 442352832000.

The previous prime is 1231334443061. The next prime is 1231334443147. The reversal of 1231334443130 is 313444331321.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4956011 + ... + 5198529.

It is an arithmetic number, because the mean of its divisors is an integer number (38237279580).

Almost surely, 2^{1231334443130} is an apocalyptic number.

1231334443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231334443130 is a deficient number, since it is larger than the sum of its proper divisors (1215851449990).

1231334443130 is a wasteful number, since it uses less digits than its factorization.

1231334443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243095.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 1231334443130 its reverse (313444331321), we get a palindrome (1544778774451).

It can be divided in two parts, 12313 and 34443130, that added together give a palindrome (34455443).

The spelling of 1231334443130 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-four million, four hundred forty-three thousand, one hundred thirty".