424433131 has 2 divisors, whose sum is σ = 424433132. Its totient is φ = 424433130.

The previous prime is 424433129. The next prime is 424433137. The reversal of 424433131 is 131334424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424433131 - 2¹ = 424433129 is a prime.

It is a super-2 number, since 2×424433131² = 360286965380926322, which contains 22 as substring.

Together with 424433129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 424433096 and 424433105.

It is not a weakly prime, because it can be changed into another prime (424433137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212216565 + 212216566.

It is an arithmetic number, because the mean of its divisors is an integer number (212216566).

Almost surely, 2^424433131 is an apocalyptic number.

424433131 is a deficient number, since it is larger than the sum of its proper divisors (1).

424433131 is an equidigital number, since it uses as much as digits as its factorization.

424433131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 424433131 is about 20601.7749478049. The cubic root of 424433131 is about 751.5128757057.

Adding to 424433131 its reverse (131334424), we get a palindrome (555767555).

The spelling of 424433131 in words is "four hundred twenty-four million, four hundred thirty-three thousand, one hundred thirty-one".