512353431631 has 2 divisors, whose sum is σ = 512353431632. Its totient is φ = 512353431630.

The previous prime is 512353431571. The next prime is 512353431647. The reversal of 512353431631 is 136134353215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512353431631 is a prime.

It is a super-2 number, since 2×512353431631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512357431631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256176715815 + 256176715816.

It is an arithmetic number, because the mean of its divisors is an integer number (256176715816).

Almost surely, 2^512353431631 is an apocalyptic number.

512353431631 is a deficient number, since it is larger than the sum of its proper divisors (1).

512353431631 is an equidigital number, since it uses as much as digits as its factorization.

512353431631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

Adding to 512353431631 its reverse (136134353215), we get a palindrome (648487784846).

The spelling of 512353431631 in words is "five hundred twelve billion, three hundred fifty-three million, four hundred thirty-one thousand, six hundred thirty-one".