1231830487804 has 48 divisors (see below), whose sum is σ = 2525879220480. Its totient is φ = 514616595840.

The previous prime is 1231830487777. The next prime is 1231830487829. The reversal of 1231830487804 is 4087840381321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910687 + ... + 1814665.

It is an arithmetic number, because the mean of its divisors is an integer number (52622483760).

Almost surely, 2^{1231830487804} is an apocalyptic number.

1231830487804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231830487804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262939610240).

1231830487804 is an abundant number, since it is smaller than the sum of its proper divisors (1294048732676).

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

1231830487804 is a wasteful number, since it uses less digits than its factorization.

1231830487804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905218 (or 905216 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 1231830487804 in words is "one trillion, two hundred thirty-one billion, eight hundred thirty million, four hundred eighty-seven thousand, eight hundred four".