1231122404341 has 4 divisors (see below), whose sum is σ = 1242628221312. Its totient is φ = 1219616587372.

The previous prime is 1231122404339. The next prime is 1231122404377. The reversal of 1231122404341 is 1434042211321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1231122404341 - 2¹ = 1231122404339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231122404321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5752908325 + ... + 5752908538.

It is an arithmetic number, because the mean of its divisors is an integer number (310657055328).

Almost surely, 2^{1231122404341} is an apocalyptic number.

It is an amenable number.

1231122404341 is a deficient number, since it is larger than the sum of its proper divisors (11505816971).

1231122404341 is a wasteful number, since it uses less digits than its factorization.

1231122404341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505816970.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1231122404341 its reverse (1434042211321), we get a palindrome (2665164615662).

The spelling of 1231122404341 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-two million, four hundred four thousand, three hundred forty-one".