321061002326402 has 16 divisors (see below), whose sum is σ = 536521038371640. Its totient is φ = 143072276898432.

The previous prime is 321061002326381. The next prime is 321061002326411. The reversal of 321061002326402 is 204623200160123.

It can be written as a sum of positive squares in 4 ways, for example, as 213202371305401 + 107858631021001 = 14601451^2 + 10385501^2 .

It is a super-2 number, since 2×321061002326402² (a number of 30 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, 212905173203 + ... + 212905174710.

Almost surely, 2^{321061002326402} is an apocalyptic number.

321061002326402 is a deficient number, since it is larger than the sum of its proper divisors (215460036045238).

321061002326402 is a wasteful number, since it uses less digits than its factorization.

321061002326402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425810347957.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 321061002326402 its reverse (204623200160123), we get a palindrome (525684202486525).

The spelling of 321061002326402 in words is "three hundred twenty-one trillion, sixty-one billion, two million, three hundred twenty-six thousand, four hundred two".