323111031021 has 8 divisors (see below), whose sum is σ = 478683008960. Its totient is φ = 215407353996.

The previous prime is 323111031017. The next prime is 323111031037. The reversal of 323111031021 is 120130111323.

323111031021 is a `hidden beast` number, since 32 + 311 + 10 + 310 + 2 + 1 = 666.

It is not a de Polignac number, because 323111031021 - 2² = 323111031017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323111030985 and 323111031003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323111031091) 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, 5983537585 + ... + 5983537638.

It is an arithmetic number, because the mean of its divisors is an integer number (59835376120).

Almost surely, 2^323111031021 is an apocalyptic number.

It is an amenable number.

323111031021 is a deficient number, since it is larger than the sum of its proper divisors (155571977939).

323111031021 is a wasteful number, since it uses less digits than its factorization.

323111031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967075232 (or 11967075226 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 323111031021 its reverse (120130111323), we get a palindrome (443241142344).

The spelling of 323111031021 in words is "three hundred twenty-three billion, one hundred eleven million, thirty-one thousand, twenty-one".