1231340200404 has 48 divisors (see below), whose sum is σ = 2914257862656. Its totient is φ = 404573551200.

The previous prime is 1231340200403. The next prime is 1231340200421. The reversal of 1231340200404 is 4040020431321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231340200403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3626349 + ... + 3951339.

It is an arithmetic number, because the mean of its divisors is an integer number (60713705472).

Almost surely, 2^{1231340200404} is an apocalyptic number.

It is an amenable number.

1231340200404 is an abundant number, since it is smaller than the sum of its proper divisors (1682917662252).

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

1231340200404 is a wasteful number, since it uses less digits than its factorization.

1231340200404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329516 (or 329514 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1231340200404 its reverse (4040020431321), we get a palindrome (5271360631725).

The spelling of 1231340200404 in words is "one trillion, two hundred thirty-one billion, three hundred forty million, two hundred thousand, four hundred four".