203210100139 has 2 divisors, whose sum is σ = 203210100140. Its totient is φ = 203210100138.

The previous prime is 203210100101. The next prime is 203210100173. The reversal of 203210100139 is 931001012302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203210100139 - 2²⁷ = 203075882411 is a prime.

It is not a weakly prime, because it can be changed into another prime (203210100199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101605050069 + 101605050070.

It is an arithmetic number, because the mean of its divisors is an integer number (101605050070).

Almost surely, 2^203210100139 is an apocalyptic number.

203210100139 is a deficient number, since it is larger than the sum of its proper divisors (1).

203210100139 is an equidigital number, since it uses as much as digits as its factorization.

203210100139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 203210100139 in words is "two hundred three billion, two hundred ten million, one hundred thousand, one hundred thirty-nine".