11231032340 has 48 divisors (see below), whose sum is σ = 25984070784. Its totient is φ = 4043568000.

The previous prime is 11231032339. The next prime is 11231032367. The reversal of 11231032340 is 4323013211.

It is a super-2 number, since 2×11231032340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230504 + ... + 274943.

It is an arithmetic number, because the mean of its divisors is an integer number (541334808).

Almost surely, 2^11231032340 is an apocalyptic number.

11231032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231032340 is an abundant number, since it is smaller than the sum of its proper divisors (14753038444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231032340 is a wasteful number, since it uses less digits than its factorization.

11231032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505568 (or 505566 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11231032340 its reverse (4323013211), we get a palindrome (15554045551).

The spelling of 11231032340 in words is "eleven billion, two hundred thirty-one million, thirty-two thousand, three hundred forty".