1231342304401 has 24 divisors (see below), whose sum is σ = 1368687763520. Its totient is φ = 1106849098080.

The previous prime is 1231342304359. The next prime is 1231342304431. The reversal of 1231342304401 is 1044032431321.

It is a happy number.

It is not a de Polignac number, because 1231342304401 - 2¹¹ = 1231342302353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231342304401.

It is not an unprimeable number, because it can be changed into a prime (1231342304431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6327190 + ... + 6518896.

Almost surely, 2^{1231342304401} is an apocalyptic number.

1231342304401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1231342304401 is a deficient number, since it is larger than the sum of its proper divisors (137345459119).

1231342304401 is a wasteful number, since it uses less digits than its factorization.

1231342304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192325 (or 192314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1231342304401 its reverse (1044032431321), we get a palindrome (2275374735722).

The spelling of 1231342304401 in words is "one trillion, two hundred thirty-one billion, three hundred forty-two million, three hundred four thousand, four hundred one".