13203231228091 has 2 divisors, whose sum is σ = 13203231228092. Its totient is φ = 13203231228090.

The previous prime is 13203231228067. The next prime is 13203231228119. The reversal of 13203231228091 is 19082213230231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13203231228091 - 2⁵ = 13203231228059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13203231228091.

It is not a weakly prime, because it can be changed into another prime (13203231928091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601615614045 + 6601615614046.

It is an arithmetic number, because the mean of its divisors is an integer number (6601615614046).

Almost surely, 2^{13203231228091} is an apocalyptic number.

13203231228091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203231228091 is an equidigital number, since it uses as much as digits as its factorization.

13203231228091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 13203231228091 in words is "thirteen trillion, two hundred three billion, two hundred thirty-one million, two hundred twenty-eight thousand, ninety-one".