1431225413 has 2 divisors, whose sum is σ = 1431225414. Its totient is φ = 1431225412.

The previous prime is 1431225401. The next prime is 1431225451. The reversal of 1431225413 is 3145221341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1171145284 + 260080129 = 34222^2 + 16127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431225413 - 2⁶ = 1431225349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431224413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715612706 + 715612707.

It is an arithmetic number, because the mean of its divisors is an integer number (715612707).

Almost surely, 2^1431225413 is an apocalyptic number.

It is an amenable number.

1431225413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431225413 is an equidigital number, since it uses as much as digits as its factorization.

1431225413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 1431225413 is about 37831.5399237197. The cubic root of 1431225413 is about 1126.9448926665.

Adding to 1431225413 its reverse (3145221341), we get a palindrome (4576446754).

The spelling of 1431225413 in words is "one billion, four hundred thirty-one million, two hundred twenty-five thousand, four hundred thirteen".