321042620061 has 12 divisors (see below), whose sum is σ = 463819454592. Its totient is φ = 213986309256.

The previous prime is 321042620033. The next prime is 321042620089. The reversal of 321042620061 is 160026240123.

321042620061 is a `hidden beast` number, since 3 + 210 + 426 + 20 + 0 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (321042620033) and next prime (321042620089).

It is not a de Polignac number, because 321042620061 - 2¹⁴ = 321042603677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321042620861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3460351 + ... + 3551916.

It is an arithmetic number, because the mean of its divisors is an integer number (38651621216).

Almost surely, 2^321042620061 is an apocalyptic number.

It is an amenable number.

321042620061 is a deficient number, since it is larger than the sum of its proper divisors (142776834531).

321042620061 is a wasteful number, since it uses less digits than its factorization.

321042620061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017360 (or 7017357 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 321042620061 its reverse (160026240123), we get a palindrome (481068860184).

The spelling of 321042620061 in words is "three hundred twenty-one billion, forty-two million, six hundred twenty thousand, sixty-one".