203343492971 has 2 divisors, whose sum is σ = 203343492972. Its totient is φ = 203343492970.

The previous prime is 203343492943. The next prime is 203343492977. The reversal of 203343492971 is 179294343302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203343492971 - 2²⁶ = 203276384107 is a prime.

It is a super-2 number, since 2×203343492971² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203343492977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101671746485 + 101671746486.

It is an arithmetic number, because the mean of its divisors is an integer number (101671746486).

Almost surely, 2^203343492971 is an apocalyptic number.

203343492971 is a deficient number, since it is larger than the sum of its proper divisors (1).

203343492971 is an equidigital number, since it uses as much as digits as its factorization.

203343492971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 203343492971 in words is "two hundred three billion, three hundred forty-three million, four hundred ninety-two thousand, nine hundred seventy-one".