431520453031 has 2 divisors, whose sum is σ = 431520453032. Its totient is φ = 431520453030.

The previous prime is 431520453019. The next prime is 431520453097. The reversal of 431520453031 is 130354025134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431520453031 - 2¹¹ = 431520450983 is a prime.

It is a super-2 number, since 2×431520453031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431520452984 and 431520453002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431520459031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215760226515 + 215760226516.

It is an arithmetic number, because the mean of its divisors is an integer number (215760226516).

Almost surely, 2^431520453031 is an apocalyptic number.

431520453031 is a deficient number, since it is larger than the sum of its proper divisors (1).

431520453031 is an equidigital number, since it uses as much as digits as its factorization.

431520453031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 431520453031 its reverse (130354025134), we get a palindrome (561874478165).

The spelling of 431520453031 in words is "four hundred thirty-one billion, five hundred twenty million, four hundred fifty-three thousand, thirty-one".