Search a number
-
+
431132413 is a prime number
BaseRepresentation
bin11001101100101…
…000111011111101
31010001020210111011
4121230220323331
51340332214123
6110440355221
713453364545
oct3154507375
91101223434
10431132413
112013aa188
12100475b11
136b421b4a
144138a325
1527cb2e0d
hex19b28efd

431132413 has 2 divisors, whose sum is σ = 431132414. Its totient is φ = 431132412.

The previous prime is 431132389. The next prime is 431132417. The reversal of 431132413 is 314231134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324072004 + 107060409 = 18002^2 + 10347^2 .

It is a cyclic number.

It is not a de Polignac number, because 431132413 - 25 = 431132381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431132417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215566206 + 215566207.

It is an arithmetic number, because the mean of its divisors is an integer number (215566207).

Almost surely, 2431132413 is an apocalyptic number.

It is an amenable number.

431132413 is a deficient number, since it is larger than the sum of its proper divisors (1).

431132413 is an equidigital number, since it uses as much as digits as its factorization.

431132413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 431132413 is about 20763.7283020174. The cubic root of 431132413 is about 755.4462300785.

Adding to 431132413 its reverse (314231134), we get a palindrome (745363547).

The spelling of 431132413 in words is "four hundred thirty-one million, one hundred thirty-two thousand, four hundred thirteen".