321061345231 has 8 divisors (see below), whose sum is σ = 350493858000. Its totient is φ = 291669685440.

The previous prime is 321061345223. The next prime is 321061345327. The reversal of 321061345231 is 132543160123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321061345231 - 2³ = 321061345223 is a prime.

It is a super-2 number, since 2×321061345231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321061345193 and 321061345202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321061345931) 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 7 ways as a sum of consecutive naturals, for example, 10196806 + ... + 10228243.

It is an arithmetic number, because the mean of its divisors is an integer number (43811732250).

Almost surely, 2^321061345231 is an apocalyptic number.

321061345231 is a deficient number, since it is larger than the sum of its proper divisors (29432512769).

321061345231 is a wasteful number, since it uses less digits than its factorization.

321061345231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426489.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 321061345231 in words is "three hundred twenty-one billion, sixty-one million, three hundred forty-five thousand, two hundred thirty-one".