13531142371 has 2 divisors, whose sum is σ = 13531142372. Its totient is φ = 13531142370.

The previous prime is 13531142327. The next prime is 13531142381. The reversal of 13531142371 is 17324113531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531142371 - 2⁷ = 13531142243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531142381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765571185 + 6765571186.

It is an arithmetic number, because the mean of its divisors is an integer number (6765571186).

Almost surely, 2^13531142371 is an apocalyptic number.

13531142371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531142371 is an equidigital number, since it uses as much as digits as its factorization.

13531142371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The spelling of 13531142371 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, three hundred seventy-one".