431245013 has 2 divisors, whose sum is σ = 431245014. Its totient is φ = 431245012.

The previous prime is 431244997. The next prime is 431245019. The reversal of 431245013 is 310542134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267584164 + 163660849 = 16358^2 + 12793^2 .

It is a cyclic number.

It is not a de Polignac number, because 431245013 - 2⁴ = 431244997 is a prime.

It is a super-2 number, since 2×431245013² = 371944522474740338, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431245013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431245019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215622506 + 215622507.

It is an arithmetic number, because the mean of its divisors is an integer number (215622507).

Almost surely, 2^431245013 is an apocalyptic number.

It is an amenable number.

431245013 is a deficient number, since it is larger than the sum of its proper divisors (1).

431245013 is an equidigital number, since it uses as much as digits as its factorization.

431245013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 431245013 is about 20766.4395840982. The cubic root of 431245013 is about 755.5119916547.

Adding to 431245013 its reverse (310542134), we get a palindrome (741787147).

The spelling of 431245013 in words is "four hundred thirty-one million, two hundred forty-five thousand, thirteen".