1231120313341 has 2 divisors, whose sum is σ = 1231120313342. Its totient is φ = 1231120313340.

The previous prime is 1231120313279. The next prime is 1231120313369. The reversal of 1231120313341 is 1433130211321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130723856025 + 100396457316 = 1063355^2 + 316854^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231120313341 - 2³³ = 1222530378749 is a prime.

It is a super-4 number, since 4×1231120313341⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231120313641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615560156670 + 615560156671.

It is an arithmetic number, because the mean of its divisors is an integer number (615560156671).

Almost surely, 2^{1231120313341} is an apocalyptic number.

It is an amenable number.

1231120313341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231120313341 is an equidigital number, since it uses as much as digits as its factorization.

1231120313341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1231120313341 its reverse (1433130211321), we get a palindrome (2664250524662).

The spelling of 1231120313341 in words is "one trillion, two hundred thirty-one billion, one hundred twenty million, three hundred thirteen thousand, three hundred forty-one".