5311440321242 has 24 divisors (see below), whose sum is σ = 8770114176768. Its totient is φ = 2410756146920.

The previous prime is 5311440321127. The next prime is 5311440321281. The reversal of 5311440321242 is 2421230441135.

It is a super-2 number, since 2×5311440321242² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5311440321199 and 5311440321208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15902138 + ... + 16232709.

It is an arithmetic number, because the mean of its divisors is an integer number (365421424032).

Almost surely, 2^{5311440321242} is an apocalyptic number.

5311440321242 is a deficient number, since it is larger than the sum of its proper divisors (3458673855526).

5311440321242 is a wasteful number, since it uses less digits than its factorization.

5311440321242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135554 (or 32135543 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 5311440321242 its reverse (2421230441135), we get a palindrome (7732670762377).

The spelling of 5311440321242 in words is "five trillion, three hundred eleven billion, four hundred forty million, three hundred twenty-one thousand, two hundred forty-two".