1231503142332 has 48 divisors (see below), whose sum is σ = 2999555193600. Its totient is φ = 392507457408.

The previous prime is 1231503142297. The next prime is 1231503142357. The reversal of 1231503142332 is 2332413051321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231503142332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81673 + ... + 1571520.

It is an arithmetic number, because the mean of its divisors is an integer number (62490733200).

Almost surely, 2^{1231503142332} is an apocalyptic number.

1231503142332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231503142332 is an abundant number, since it is smaller than the sum of its proper divisors (1768052051268).

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

1231503142332 is a wasteful number, since it uses less digits than its factorization.

1231503142332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655922 (or 1655920 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1231503142332 its reverse (2332413051321), we get a palindrome (3563916193653).

The spelling of 1231503142332 in words is "one trillion, two hundred thirty-one billion, five hundred three million, one hundred forty-two thousand, three hundred thirty-two".