1111101331 has 8 divisors (see below), whose sum is σ = 1151473680. Its totient is φ = 1070866272.

The previous prime is 1111101311. The next prime is 1111101367. The reversal of 1111101331 is 1331011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111101331 is a prime.

It is a super-2 number, since 2×1111101331² = 2469092335499943122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111101301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17700 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (143934210).

Almost surely, 2^1111101331 is an apocalyptic number.

1111101331 is a deficient number, since it is larger than the sum of its proper divisors (40372349).

1111101331 is an equidigital number, since it uses as much as digits as its factorization.

1111101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68645.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1111101331 is about 33333.1866313438. The cubic root of 1111101331 is about 1035.7411297345.

Adding to 1111101331 its reverse (1331011111), we get a palindrome (2442112442).

The spelling of 1111101331 in words is "one billion, one hundred eleven million, one hundred one thousand, three hundred thirty-one".