1431213325 has 24 divisors (see below), whose sum is σ = 1825918848. Its totient is φ = 1112354880.

The previous prime is 1431213299. The next prime is 1431213347. The reversal of 1431213325 is 5233121341.

It is a happy number.

It is not a de Polignac number, because 1431213325 - 2¹³ = 1431205133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431213325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131232 + ... + 141718.

It is an arithmetic number, because the mean of its divisors is an integer number (76079952).

Almost surely, 2^1431213325 is an apocalyptic number.

It is an amenable number.

1431213325 is a deficient number, since it is larger than the sum of its proper divisors (394705523).

1431213325 is a wasteful number, since it uses less digits than its factorization.

1431213325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653 (or 10648 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1431213325 is about 37831.3801625053. The cubic root of 1431213325 is about 1126.9417199661.

Adding to 1431213325 its reverse (5233121341), we get a palindrome (6664334666).

The spelling of 1431213325 in words is "one billion, four hundred thirty-one million, two hundred thirteen thousand, three hundred twenty-five".