431021204422402 has 32 divisors (see below), whose sum is σ = 725882043179520. Its totient is φ = 190225666673280.

The previous prime is 431021204422397. The next prime is 431021204422421. The reversal of 431021204422402 is 204224402120134.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552334603 + ... + 553114414.

It is an arithmetic number, because the mean of its divisors is an integer number (22683813849360).

Almost surely, 2^{431021204422402} is an apocalyptic number.

431021204422402 is a deficient number, since it is larger than the sum of its proper divisors (294860838757118).

431021204422402 is a wasteful number, since it uses less digits than its factorization.

431021204422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105449546.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 431021204422402 its reverse (204224402120134), we get a palindrome (635245606542536).

The spelling of 431021204422402 in words is "four hundred thirty-one trillion, twenty-one billion, two hundred four million, four hundred twenty-two thousand, four hundred two".