1220023300031 has 16 divisors (see below), whose sum is σ = 1239535934208. Its totient is φ = 1200577492800.

The previous prime is 1220023300021. The next prime is 1220023300073. The reversal of 1220023300031 is 1300033200221.

It is a cyclic number.

It is not a de Polignac number, because 1220023300031 - 2⁶ = 1220023299967 is a prime.

It is a super-2 number, since 2×1220023300031² (a number of 25 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 = 1220023299982 and 1220023300009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220023300021) 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 15 ways as a sum of consecutive naturals, for example, 95584256 + ... + 95597018.

It is an arithmetic number, because the mean of its divisors is an integer number (77470995888).

Almost surely, 2^{1220023300031} is an apocalyptic number.

1220023300031 is a deficient number, since it is larger than the sum of its proper divisors (19512634177).

1220023300031 is a wasteful number, since it uses less digits than its factorization.

1220023300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1220023300031 its reverse (1300033200221), we get a palindrome (2520056500252).

The spelling of 1220023300031 in words is "one trillion, two hundred twenty billion, twenty-three million, three hundred thousand, thirty-one".