11243332031 has 12 divisors (see below), whose sum is σ = 11416322880. Its totient is φ = 11072920320.

The previous prime is 11243332027. The next prime is 11243332039. The reversal of 11243332031 is 13023334211.

It is not a de Polignac number, because 11243332031 - 2² = 11243332027 is a prime.

It is a super-2 number, since 2×11243332031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11243331988 and 11243332006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243332039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5279975 + ... + 5282103.

It is an arithmetic number, because the mean of its divisors is an integer number (951360240).

Almost surely, 2^11243332031 is an apocalyptic number.

11243332031 is a deficient number, since it is larger than the sum of its proper divisors (172990849).

11243332031 is an frugal number, since it uses more digits than its factorization.

11243332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11243332031 its reverse (13023334211), we get a palindrome (24266666242).

The spelling of 11243332031 in words is "eleven billion, two hundred forty-three million, three hundred thirty-two thousand, thirty-one".