11303011232331 has 128 divisors (see below), whose sum is σ = 19447911168000. Its totient is φ = 5798118412800.

The previous prime is 11303011232309. The next prime is 11303011232347. The reversal of 11303011232331 is 13323211030311.

It is not a de Polignac number, because 11303011232331 - 2²⁵ = 11302977677899 is a prime.

It is a super-2 number, since 2×11303011232331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11303011232231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1395257181 + ... + 1395265281.

It is an arithmetic number, because the mean of its divisors is an integer number (151936806000).

Almost surely, 2^{11303011232331} is an apocalyptic number.

11303011232331 is a deficient number, since it is larger than the sum of its proper divisors (8144899935669).

11303011232331 is a wasteful number, since it uses less digits than its factorization.

11303011232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994 (or 10980 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11303011232331 its reverse (13323211030311), we get a palindrome (24626222262642).

It can be divided in two parts, 1130301 and 1232331, that added together give a palindrome (2362632).

The spelling of 11303011232331 in words is "eleven trillion, three hundred three billion, eleven million, two hundred thirty-two thousand, three hundred thirty-one".