71003120203 has 2 divisors, whose sum is σ = 71003120204. Its totient is φ = 71003120202.

The previous prime is 71003120051. The next prime is 71003120219. The reversal of 71003120203 is 30202130017.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71003120203 is a prime.

It is a super-2 number, since 2×71003120203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71003120263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35501560101 + 35501560102.

It is an arithmetic number, because the mean of its divisors is an integer number (35501560102).

Almost surely, 2^71003120203 is an apocalyptic number.

71003120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

71003120203 is an equidigital number, since it uses as much as digits as its factorization.

71003120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The spelling of 71003120203 in words is "seventy-one billion, three million, one hundred twenty thousand, two hundred three".