321023130042402 has 80 divisors (see below), whose sum is σ = 801729592187040. Its totient is φ = 95412447303552.

The previous prime is 321023130042401. The next prime is 321023130042463. The reversal of 321023130042402 is 204240031320123.

321023130042402 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 231 + 3 + 0 + 0 + 424 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (321023130042401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3067477488 + ... + 3067582139.

It is an arithmetic number, because the mean of its divisors is an integer number (10021619902338).

Almost surely, 2^{321023130042402} is an apocalyptic number.

321023130042402 is an abundant number, since it is smaller than the sum of its proper divisors (480706462144638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321023130042402 is a wasteful number, since it uses less digits than its factorization.

321023130042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135059677 (or 6135059668 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 321023130042402 its reverse (204240031320123), we get a palindrome (525263161362525).

The spelling of 321023130042402 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred thirty million, forty-two thousand, four hundred two".