203102047 has 2 divisors, whose sum is σ = 203102048. Its totient is φ = 203102046.

The previous prime is 203102041. The next prime is 203102057. The reversal of 203102047 is 740201302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203102047 - 2¹¹ = 203099999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203102041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101551023 + 101551024.

It is an arithmetic number, because the mean of its divisors is an integer number (101551024).

Almost surely, 2^203102047 is an apocalyptic number.

203102047 is a deficient number, since it is larger than the sum of its proper divisors (1).

203102047 is an equidigital number, since it uses as much as digits as its factorization.

203102047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 203102047 is about 14251.3875464812. The cubic root of 203102047 is about 587.8115294817.

Adding to 203102047 its reverse (740201302), we get a palindrome (943303349).

The spelling of 203102047 in words is "two hundred three million, one hundred two thousand, forty-seven".