431442344402 has 16 divisors (see below), whose sum is σ = 649731776760. Its totient is φ = 214865215488.

The previous prime is 431442344393. The next prime is 431442344503. The reversal of 431442344402 is 204443244134.

It can be written as a sum of positive squares in 4 ways, for example, as 427596980281 + 3845364121 = 653909^2 + 62011^2 .

It is a super-2 number, since 2×431442344402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9192098 + ... + 9238914.

Almost surely, 2^431442344402 is an apocalyptic number.

431442344402 is a deficient number, since it is larger than the sum of its proper divisors (218289432358).

431442344402 is a wasteful number, since it uses less digits than its factorization.

431442344402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65005.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 431442344402 its reverse (204443244134), we get a palindrome (635885588536).

The spelling of 431442344402 in words is "four hundred thirty-one billion, four hundred forty-two million, three hundred forty-four thousand, four hundred two".