11032320531 has 8 divisors (see below), whose sum is σ = 15483958720. Its totient is φ = 6967781352.

The previous prime is 11032320529. The next prime is 11032320539. The reversal of 11032320531 is 13502323011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11032320531 - 2¹ = 11032320529 is a prime.

It is a super-2 number, since 2×11032320531² (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 = 11032320498 and 11032320507.

It is not an unprimeable number, because it can be changed into a prime (11032320539) 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, 96774685 + ... + 96774798.

It is an arithmetic number, because the mean of its divisors is an integer number (1935494840).

Almost surely, 2^11032320531 is an apocalyptic number.

11032320531 is a deficient number, since it is larger than the sum of its proper divisors (4451638189).

11032320531 is a wasteful number, since it uses less digits than its factorization.

11032320531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193549505.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 11032320531 its reverse (13502323011), we get a palindrome (24534643542).

The spelling of 11032320531 in words is "eleven billion, thirty-two million, three hundred twenty thousand, five hundred thirty-one".