11431421302 has 32 divisors (see below), whose sum is σ = 19703691072. Its totient is φ = 4872489984.

The previous prime is 11431421293. The next prime is 11431421381. The reversal of 11431421302 is 20312413411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4033678 + ... + 4036510.

It is an arithmetic number, because the mean of its divisors is an integer number (615740346).

Almost surely, 2^11431421302 is an apocalyptic number.

11431421302 is a deficient number, since it is larger than the sum of its proper divisors (8272269770).

11431421302 is a wasteful number, since it uses less digits than its factorization.

11431421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11431421302 its reverse (20312413411), we get a palindrome (31743834713).

The spelling of 11431421302 in words is "eleven billion, four hundred thirty-one million, four hundred twenty-one thousand, three hundred two".