13203203232091 has 2 divisors, whose sum is σ = 13203203232092. Its totient is φ = 13203203232090.

The previous prime is 13203203232083. The next prime is 13203203232161. The reversal of 13203203232091 is 19023230230231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13203203232091 - 2³ = 13203203232083 is a prime.

It is not a weakly prime, because it can be changed into another prime (13203203232691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601601616045 + 6601601616046.

It is an arithmetic number, because the mean of its divisors is an integer number (6601601616046).

Almost surely, 2^{13203203232091} is an apocalyptic number.

13203203232091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203203232091 is an equidigital number, since it uses as much as digits as its factorization.

13203203232091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 13203203232091 in words is "thirteen trillion, two hundred three billion, two hundred three million, two hundred thirty-two thousand, ninety-one".