13541251331 has 2 divisors, whose sum is σ = 13541251332. Its totient is φ = 13541251330.

The previous prime is 13541251327. The next prime is 13541251337. The reversal of 13541251331 is 13315214531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13541251331 - 2² = 13541251327 is a prime.

It is a super-2 number, since 2×13541251331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13541251294 and 13541251303.

It is not a weakly prime, because it can be changed into another prime (13541251337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770625665 + 6770625666.

It is an arithmetic number, because the mean of its divisors is an integer number (6770625666).

Almost surely, 2^13541251331 is an apocalyptic number.

13541251331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541251331 is an equidigital number, since it uses as much as digits as its factorization.

13541251331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

Adding to 13541251331 its reverse (13315214531), we get a palindrome (26856465862).

The spelling of 13541251331 in words is "thirteen billion, five hundred forty-one million, two hundred fifty-one thousand, three hundred thirty-one".