1231440341341 has 8 divisors (see below), whose sum is σ = 1407467984384. Its totient is φ = 1055439596880.

The previous prime is 1231440341333. The next prime is 1231440341353. The reversal of 1231440341341 is 1431430441321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231440341341 - 2³ = 1231440341333 is a prime.

It is a super-3 number, since 3×1231440341341³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231440341641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6626445 + ... + 6809746.

It is an arithmetic number, because the mean of its divisors is an integer number (175933498048).

Almost surely, 2^{1231440341341} is an apocalyptic number.

It is an amenable number.

1231440341341 is a deficient number, since it is larger than the sum of its proper divisors (176027643043).

1231440341341 is a wasteful number, since it uses less digits than its factorization.

1231440341341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449291.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1231440341341 its reverse (1431430441321), we get a palindrome (2662870782662).

The spelling of 1231440341341 in words is "one trillion, two hundred thirty-one billion, four hundred forty million, three hundred forty-one thousand, three hundred forty-one".