322120020031 has 16 divisors (see below), whose sum is σ = 333990622944. Its totient is φ = 310489305984.

The previous prime is 322120020023. The next prime is 322120020037. The reversal of 322120020031 is 130020021223.

It is not a de Polignac number, because 322120020031 - 2³ = 322120020023 is a prime.

It is a super-2 number, since 2×322120020031² (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 = 322120019987 and 322120020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322120020037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202925 + ... + 1446121.

It is an arithmetic number, because the mean of its divisors is an integer number (20874413934).

Almost surely, 2^322120020031 is an apocalyptic number.

322120020031 is a deficient number, since it is larger than the sum of its proper divisors (11870602913).

322120020031 is a wasteful number, since it uses less digits than its factorization.

322120020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243690.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 322120020031 its reverse (130020021223), we get a palindrome (452140041254).

The spelling of 322120020031 in words is "three hundred twenty-two billion, one hundred twenty million, twenty thousand, thirty-one".