16371543131 has 2 divisors, whose sum is σ = 16371543132. Its totient is φ = 16371543130.

The previous prime is 16371543119. The next prime is 16371543161. The reversal of 16371543131 is 13134517361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16371543131 is a prime.

It is a super-2 number, since 2×16371543131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16371543091 and 16371543100.

It is not a weakly prime, because it can be changed into another prime (16371543161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8185771565 + 8185771566.

It is an arithmetic number, because the mean of its divisors is an integer number (8185771566).

Almost surely, 2^16371543131 is an apocalyptic number.

16371543131 is a deficient number, since it is larger than the sum of its proper divisors (1).

16371543131 is an equidigital number, since it uses as much as digits as its factorization.

16371543131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The spelling of 16371543131 in words is "sixteen billion, three hundred seventy-one million, five hundred forty-three thousand, one hundred thirty-one".