11402043231 has 8 divisors (see below), whose sum is σ = 15222970624. Its totient is φ = 7591239000.

The previous prime is 11402043221. The next prime is 11402043251. The reversal of 11402043231 is 13234020411.

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

It is not a de Polignac number, because 11402043231 - 2⁵ = 11402043199 is a prime.

It is a super-2 number, since 2×11402043231² (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 = 11402043198 and 11402043207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402043221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528161 + ... + 2532666.

It is an arithmetic number, because the mean of its divisors is an integer number (1902871328).

Almost surely, 2^11402043231 is an apocalyptic number.

11402043231 is a deficient number, since it is larger than the sum of its proper divisors (3820927393).

11402043231 is an equidigital number, since it uses as much as digits as its factorization.

11402043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061581.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11402043231 its reverse (13234020411), we get a palindrome (24636063642).

The spelling of 11402043231 in words is "eleven billion, four hundred two million, forty-three thousand, two hundred thirty-one".