11532443031 has 24 divisors (see below), whose sum is σ = 16723458960. Its totient is φ = 7658136576.

The previous prime is 11532443029. The next prime is 11532443099. The reversal of 11532443031 is 13034423511.

It is a happy number.

11532443031 is a `hidden beast` number, since 115 + 3 + 244 + 303 + 1 = 666.

It is not a de Polignac number, because 11532443031 - 2¹ = 11532443029 is a prime.

It is a super-2 number, since 2×11532443031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11532442986 and 11532443004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532443431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2641056 + ... + 2645418.

It is an arithmetic number, because the mean of its divisors is an integer number (696810790).

Almost surely, 2^11532443031 is an apocalyptic number.

11532443031 is a deficient number, since it is larger than the sum of its proper divisors (5191015929).

11532443031 is a wasteful number, since it uses less digits than its factorization.

11532443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11532443031 its reverse (13034423511), we get a palindrome (24566866542).

The spelling of 11532443031 in words is "eleven billion, five hundred thirty-two million, four hundred forty-three thousand, thirty-one".