431332043402 has 16 divisors (see below), whose sum is σ = 720793601640. Its totient is φ = 192211626432.

The previous prime is 431332043353. The next prime is 431332043411. The reversal of 431332043402 is 204340233134.

It can be written as a sum of positive squares in 4 ways, for example, as 320402413681 + 110929629721 = 566041^2 + 333061^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 286028453 + ... + 286029960.

Almost surely, 2^431332043402 is an apocalyptic number.

431332043402 is a deficient number, since it is larger than the sum of its proper divisors (289461558238).

431332043402 is a wasteful number, since it uses less digits than its factorization.

431332043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572058457.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 431332043402 its reverse (204340233134), we get a palindrome (635672276536).

The spelling of 431332043402 in words is "four hundred thirty-one billion, three hundred thirty-two million, forty-three thousand, four hundred two".