431103313 has 2 divisors, whose sum is σ = 431103314. Its totient is φ = 431103312.

The previous prime is 431103269. The next prime is 431103349. The reversal of 431103313 is 313301134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297631504 + 133471809 = 17252^2 + 11553^2 .

It is a cyclic number.

It is not a de Polignac number, because 431103313 - 2²⁵ = 397548881 is a prime.

It is not a weakly prime, because it can be changed into another prime (431103373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215551656 + 215551657.

It is an arithmetic number, because the mean of its divisors is an integer number (215551657).

Almost surely, 2^431103313 is an apocalyptic number.

It is an amenable number.

431103313 is a deficient number, since it is larger than the sum of its proper divisors (1).

431103313 is an equidigital number, since it uses as much as digits as its factorization.

431103313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 431103313 is about 20763.0275489872. The cubic root of 431103313 is about 755.4292329957.

Adding to 431103313 its reverse (313301134), we get a palindrome (744404447).

The spelling of 431103313 in words is "four hundred thirty-one million, one hundred three thousand, three hundred thirteen".