431203500432013 has 2 divisors, whose sum is σ = 431203500432014. Its totient is φ = 431203500432012.

The previous prime is 431203500431981. The next prime is 431203500432031. The reversal of 431203500432013 is 310234005302134.

It is a happy number.

Together with next prime (431203500432031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355337693262409 + 75865807169604 = 18850403^2 + 8710098^2 .

It is a cyclic number.

It is not a de Polignac number, because 431203500432013 - 2⁵ = 431203500431981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431203500732013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215601750216006 + 215601750216007.

It is an arithmetic number, because the mean of its divisors is an integer number (215601750216007).

Almost surely, 2^{431203500432013} is an apocalyptic number.

It is an amenable number.

431203500432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

431203500432013 is an equidigital number, since it uses as much as digits as its factorization.

431203500432013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 431203500432013 its reverse (310234005302134), we get a palindrome (741437505734147).

The spelling of 431203500432013 in words is "four hundred thirty-one trillion, two hundred three billion, five hundred million, four hundred thirty-two thousand, thirteen".