13430401121 has 2 divisors, whose sum is σ = 13430401122. Its totient is φ = 13430401120.

The previous prime is 13430401097. The next prime is 13430401129. The reversal of 13430401121 is 12110403431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9374112400 + 4056288721 = 96820^2 + 63689^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430401121 - 2⁶ = 13430401057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13430401093 and 13430401102.

It is not a weakly prime, because it can be changed into another prime (13430401129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715200560 + 6715200561.

It is an arithmetic number, because the mean of its divisors is an integer number (6715200561).

Almost surely, 2^13430401121 is an apocalyptic number.

It is an amenable number.

13430401121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430401121 is an equidigital number, since it uses as much as digits as its factorization.

13430401121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13430401121 its reverse (12110403431), we get a palindrome (25540804552).

The spelling of 13430401121 in words is "thirteen billion, four hundred thirty million, four hundred one thousand, one hundred twenty-one".