512403041431 has 2 divisors, whose sum is σ = 512403041432. Its totient is φ = 512403041430.

The previous prime is 512403041407. The next prime is 512403041473. The reversal of 512403041431 is 134140304215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512403041431 - 2⁷ = 512403041303 is a prime.

It is a super-2 number, since 2×512403041431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 512403041431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512403044431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256201520715 + 256201520716.

It is an arithmetic number, because the mean of its divisors is an integer number (256201520716).

Almost surely, 2^512403041431 is an apocalyptic number.

512403041431 is a deficient number, since it is larger than the sum of its proper divisors (1).

512403041431 is an equidigital number, since it uses as much as digits as its factorization.

512403041431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 512403041431 its reverse (134140304215), we get a palindrome (646543345646).

The spelling of 512403041431 in words is "five hundred twelve billion, four hundred three million, forty-one thousand, four hundred thirty-one".