11032312131 has 8 divisors (see below), whose sum is σ = 16344166160. Its totient is φ = 7354874736.

The previous prime is 11032312121. The next prime is 11032312183. The reversal of 11032312131 is 13121323011.

It is not a de Polignac number, because 11032312131 - 2³¹ = 8884828483 is a prime.

It is a super-2 number, since 2×11032312131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11032312111) 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, 204302050 + ... + 204302103.

It is an arithmetic number, because the mean of its divisors is an integer number (2043020770).

Almost surely, 2^11032312131 is an apocalyptic number.

11032312131 is a deficient number, since it is larger than the sum of its proper divisors (5311854029).

11032312131 is an equidigital number, since it uses as much as digits as its factorization.

11032312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408604162 (or 408604156 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11032312131 its reverse (13121323011), we get a palindrome (24153635142).

The spelling of 11032312131 in words is "eleven billion, thirty-two million, three hundred twelve thousand, one hundred thirty-one".