1331119903171 has 2 divisors, whose sum is σ = 1331119903172. Its totient is φ = 1331119903170.

The previous prime is 1331119903109. The next prime is 1331119903319. The reversal of 1331119903171 is 1713099111331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331119903171 - 2²⁷ = 1330985685443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331119903471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665559951585 + 665559951586.

It is an arithmetic number, because the mean of its divisors is an integer number (665559951586).

Almost surely, 2^{1331119903171} is an apocalyptic number.

1331119903171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331119903171 is an equidigital number, since it uses as much as digits as its factorization.

1331119903171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 40.

The spelling of 1331119903171 in words is "one trillion, three hundred thirty-one billion, one hundred nineteen million, nine hundred three thousand, one hundred seventy-one".