199392006131 has 2 divisors, whose sum is σ = 199392006132. Its totient is φ = 199392006130.

The previous prime is 199392006113. The next prime is 199392006137. The reversal of 199392006131 is 131600293991.

Together with previous prime (199392006113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199392006131 - 2¹⁴ = 199391989747 is a prime.

It is a super-2 number, since 2×199392006131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (199392006137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99696003065 + 99696003066.

It is an arithmetic number, because the mean of its divisors is an integer number (99696003066).

Almost surely, 2^199392006131 is an apocalyptic number.

199392006131 is a deficient number, since it is larger than the sum of its proper divisors (1).

199392006131 is an equidigital number, since it uses as much as digits as its factorization.

199392006131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 199392006131 in words is "one hundred ninety-nine billion, three hundred ninety-two million, six thousand, one hundred thirty-one".