11431043002 has 8 divisors (see below), whose sum is σ = 17147200212. Its totient is φ = 5715309600.

The previous prime is 11431042991. The next prime is 11431043009. The reversal of 11431043002 is 20034013411.

11431043002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9289297161 + 2141745841 = 96381^2 + 46279^2 .

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

It is a super-2 number, since 2×11431043002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11431043009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26649 + ... + 153532.

Almost surely, 2^11431043002 is an apocalyptic number.

11431043002 is a deficient number, since it is larger than the sum of its proper divisors (5716157210).

11431043002 is a wasteful number, since it uses less digits than its factorization.

11431043002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211904.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11431043002 its reverse (20034013411), we get a palindrome (31465056413).

The spelling of 11431043002 in words is "eleven billion, four hundred thirty-one million, forty-three thousand, two".