11331132112031 has 4 divisors (see below), whose sum is σ = 11331904581000. Its totient is φ = 11330359643064.

The previous prime is 11331132111973. The next prime is 11331132112039. The reversal of 11331132112031 is 13021123113311.

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 11331132112031 - 2³⁰ = 11330058370207 is a prime.

It is a super-2 number, since 2×11331132112031² (a number of 27 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 = 11331132111988 and 11331132112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331132112039) 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, 386212481 + ... + 386241818.

It is an arithmetic number, because the mean of its divisors is an integer number (2832976145250).

Almost surely, 2^{11331132112031} is an apocalyptic number.

11331132112031 is a deficient number, since it is larger than the sum of its proper divisors (772468969).

11331132112031 is an equidigital number, since it uses as much as digits as its factorization.

11331132112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772468968.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11331132112031 its reverse (13021123113311), we get a palindrome (24352255225342).

The spelling of 11331132112031 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, one hundred twelve thousand, thirty-one".