431353122302513 has 2 divisors, whose sum is σ = 431353122302514. Its totient is φ = 431353122302512.

The previous prime is 431353122302461. The next prime is 431353122302551. The reversal of 431353122302513 is 315203221353134.

It is an a-pointer prime, because the next prime (431353122302551) can be obtained adding 431353122302513 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277201454799424 + 154151667503089 = 16649368^2 + 12415783^2 .

It is a cyclic number.

It is not a de Polignac number, because 431353122302513 - 2²⁶ = 431353055193649 is a prime.

It is a super-2 number, since 2×431353122302513² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431353122302563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215676561151256 + 215676561151257.

It is an arithmetic number, because the mean of its divisors is an integer number (215676561151257).

Almost surely, 2^{431353122302513} is an apocalyptic number.

It is an amenable number.

431353122302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

431353122302513 is an equidigital number, since it uses as much as digits as its factorization.

431353122302513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 431353122302513 its reverse (315203221353134), we get a palindrome (746556343655647).

The spelling of 431353122302513 in words is "four hundred thirty-one trillion, three hundred fifty-three billion, one hundred twenty-two million, three hundred two thousand, five hundred thirteen".