11321431420344 has 64 divisors (see below), whose sum is σ = 28336561344000. Its totient is φ = 3769413504000.

The previous prime is 11321431420337. The next prime is 11321431420393. The reversal of 11321431420344 is 44302413412311.

It is a happy number.

It is a super-2 number, since 2×11321431420344² (a number of 27 digits) contains 22 as substring.

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, 486910719 + ... + 486933969.

It is an arithmetic number, because the mean of its divisors is an integer number (442758771000).

Almost surely, 2^{11321431420344} is an apocalyptic number.

It is an amenable number.

11321431420344 is an abundant number, since it is smaller than the sum of its proper divisors (17015129923656).

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

11321431420344 is a wasteful number, since it uses less digits than its factorization.

11321431420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46028 (or 46024 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 11321431420344 its reverse (44302413412311), we get a palindrome (55623844832655).

The spelling of 11321431420344 in words is "eleven trillion, three hundred twenty-one billion, four hundred thirty-one million, four hundred twenty thousand, three hundred forty-four".