321123000031 has 8 divisors (see below), whose sum is σ = 324135982800. Its totient is φ = 318110236608.

The previous prime is 321123000017. The next prime is 321123000049. The reversal of 321123000031 is 130000321123.

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 321123000031 - 2³¹ = 318975516383 is a prime.

It is a super-2 number, since 2×321123000031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321122999969 and 321123000014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321123000631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5816545 + ... + 5871493.

It is an arithmetic number, because the mean of its divisors is an integer number (40516997850).

Almost surely, 2^321123000031 is an apocalyptic number.

321123000031 is a deficient number, since it is larger than the sum of its proper divisors (3012982769).

321123000031 is a wasteful number, since it uses less digits than its factorization.

321123000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109673.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 321123000031 its reverse (130000321123), we get a palindrome (451123321154).

The spelling of 321123000031 in words is "three hundred twenty-one billion, one hundred twenty-three million, thirty-one", and thus it is an aban number.