104031221402 has 16 divisors (see below), whose sum is σ = 159798205512. Its totient is φ = 50775117120.

The previous prime is 104031221401. The next prime is 104031221407. The reversal of 104031221402 is 204122130401.

It can be written as a sum of positive squares in 4 ways, for example, as 98082338761 + 5948882641 = 313181^2 + 77129^2 .

It is not an unprimeable number, because it can be changed into a prime (104031221401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470049 + ... + 2511812.

Almost surely, 2^104031221402 is an apocalyptic number.

104031221402 is a deficient number, since it is larger than the sum of its proper divisors (55766984110).

104031221402 is a wasteful number, since it uses less digits than its factorization.

104031221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982113.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 104031221402 its reverse (204122130401), we get a palindrome (308153351803).

The spelling of 104031221402 in words is "one hundred four billion, thirty-one million, two hundred twenty-one thousand, four hundred two".