11532432031 has 4 divisors (see below), whose sum is σ = 11544309864. Its totient is φ = 11520554200.

The previous prime is 11532432013. The next prime is 11532432049. The reversal of 11532432031 is 13023423511.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11532432013) and next prime (11532432049).

It is a cyclic number.

It is not a de Polignac number, because 11532432031 - 2⁷ = 11532431903 is a prime.

It is a super-2 number, since 2×11532432031² (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 = 11532431987 and 11532432005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532432011) 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, 5937460 + ... + 5939401.

It is an arithmetic number, because the mean of its divisors is an integer number (2886077466).

Almost surely, 2^11532432031 is an apocalyptic number.

11532432031 is a deficient number, since it is larger than the sum of its proper divisors (11877833).

11532432031 is an equidigital number, since it uses as much as digits as its factorization.

11532432031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877832.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 11532432031 its reverse (13023423511), we get a palindrome (24555855542).

The spelling of 11532432031 in words is "eleven billion, five hundred thirty-two million, four hundred thirty-two thousand, thirty-one".