321103432402 has 16 divisors (see below), whose sum is σ = 495098330112. Its totient is φ = 156078120240.

The previous prime is 321103432393. The next prime is 321103432457. The reversal of 321103432402 is 204234301123.

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, 1779474 + ... + 1951597.

It is an arithmetic number, because the mean of its divisors is an integer number (30943645632).

Almost surely, 2^321103432402 is an apocalyptic number.

321103432402 is a deficient number, since it is larger than the sum of its proper divisors (173994897710).

321103432402 is a wasteful number, since it uses less digits than its factorization.

321103432402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732273.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321103432402 its reverse (204234301123), we get a palindrome (525337733525).

The spelling of 321103432402 in words is "three hundred twenty-one billion, one hundred three million, four hundred thirty-two thousand, four hundred two".