11331123343331 has 4 divisors (see below), whose sum is σ = 12361225465464. Its totient is φ = 10301021221200.

The previous prime is 11331123343327. The next prime is 11331123343343. The reversal of 11331123343331 is 13334332113311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331123343331 - 2² = 11331123343327 is a prime.

It is a super-2 number, since 2×11331123343331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331123343231) 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, 515051061050 + ... + 515051061071.

It is an arithmetic number, because the mean of its divisors is an integer number (3090306366366).

Almost surely, 2^{11331123343331} is an apocalyptic number.

11331123343331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11331123343331 is a deficient number, since it is larger than the sum of its proper divisors (1030102122133).

11331123343331 is a wasteful number, since it uses less digits than its factorization.

11331123343331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030102122132.

The product of its digits is 17496, while the sum is 32.

Adding to 11331123343331 its reverse (13334332113311), we get a palindrome (24665455456642).

The spelling of 11331123343331 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, three hundred forty-three thousand, three hundred thirty-one".