1331101141 has 4 divisors (see below), whose sum is σ = 1331183392. Its totient is φ = 1331018892.

The previous prime is 1331101117. The next prime is 1331101151. The reversal of 1331101141 is 1411011331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1411011331 = 43 ⋅32814217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331101141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331101151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7905 + ... + 52198.

It is an arithmetic number, because the mean of its divisors is an integer number (332795848).

Almost surely, 2^1331101141 is an apocalyptic number.

It is an amenable number.

1331101141 is a deficient number, since it is larger than the sum of its proper divisors (82251).

1331101141 is an equidigital number, since it uses as much as digits as its factorization.

1331101141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82250.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1331101141 is about 36484.2588111640. The cubic root of 1331101141 is about 1100.0278618287.

Adding to 1331101141 its reverse (1411011331), we get a palindrome (2742112472).

The spelling of 1331101141 in words is "one billion, three hundred thirty-one million, one hundred one thousand, one hundred forty-one".