11013324531 has 72 divisors (see below), whose sum is σ = 17101025088. Its totient is φ = 6298485600.

The previous prime is 11013324529. The next prime is 11013324533. The reversal of 11013324531 is 13542331011.

It is an interprime number because it is at equal distance from previous prime (11013324529) and next prime (11013324533).

It is not a de Polignac number, because 11013324531 - 2¹ = 11013324529 is a prime.

It is a super-2 number, since 2×11013324531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11013324533) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15937896 + ... + 15938586.

Almost surely, 2^11013324531 is an apocalyptic number.

11013324531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11013324531 is a deficient number, since it is larger than the sum of its proper divisors (6087700557).

11013324531 is a wasteful number, since it uses less digits than its factorization.

11013324531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11013324531 its reverse (13542331011), we get a palindrome (24555655542).

The spelling of 11013324531 in words is "eleven billion, thirteen million, three hundred twenty-four thousand, five hundred thirty-one".