424252111131 has 16 divisors (see below), whose sum is σ = 631778242720. Its totient is φ = 281369272320.

The previous prime is 424252111123. The next prime is 424252111189. The reversal of 424252111131 is 131111252424.

424252111131 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 521 + 1 + 1 + 131 = 666.

It is not a de Polignac number, because 424252111131 - 2³ = 424252111123 is a prime.

It is a super-2 number, since 2×424252111131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424252111095 and 424252111104.

It is not an unprimeable number, because it can be changed into a prime (424252101131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40702150 + ... + 40712571.

It is an arithmetic number, because the mean of its divisors is an integer number (39486140170).

Almost surely, 2^424252111131 is an apocalyptic number.

424252111131 is a deficient number, since it is larger than the sum of its proper divisors (207526131589).

424252111131 is a wasteful number, since it uses less digits than its factorization.

424252111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81414923 (or 81414917 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 424252111131 its reverse (131111252424), we get a palindrome (555363363555).

The spelling of 424252111131 in words is "four hundred twenty-four billion, two hundred fifty-two million, one hundred eleven thousand, one hundred thirty-one".