431225253442 has 4 divisors (see below), whose sum is σ = 646837880166. Its totient is φ = 215612626720.

The previous prime is 431225253401. The next prime is 431225253451. The reversal of 431225253442 is 244352522134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 292065665761 + 139159587681 = 540431^2 + 373041^2 .

It is a super-2 number, since 2×431225253442² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107806313359 + ... + 107806313362.

Almost surely, 2^431225253442 is an apocalyptic number.

431225253442 is a deficient number, since it is larger than the sum of its proper divisors (215612626724).

431225253442 is a wasteful number, since it uses less digits than its factorization.

431225253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215612626723.

The product of its digits is 230400, while the sum is 37.

Adding to 431225253442 its reverse (244352522134), we get a palindrome (675577775576).

The spelling of 431225253442 in words is "four hundred thirty-one billion, two hundred twenty-five million, two hundred fifty-three thousand, four hundred forty-two".