1220323302031 has 8 divisors (see below), whose sum is σ = 1233338779728. Its totient is φ = 1207326120000.

The previous prime is 1220323302001. The next prime is 1220323302043. The reversal of 1220323302031 is 1302033230221.

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 1220323302031 - 2⁷ = 1220323301903 is a prime.

It is a super-2 number, since 2×1220323302031² (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 = 1220323301993 and 1220323302011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220323302001) 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, 4439785 + ... + 4706626.

It is an arithmetic number, because the mean of its divisors is an integer number (154167347466).

Almost surely, 2^{1220323302031} is an apocalyptic number.

1220323302031 is a deficient number, since it is larger than the sum of its proper divisors (13015477697).

1220323302031 is a wasteful number, since it uses less digits than its factorization.

1220323302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9147833.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1220323302031 its reverse (1302033230221), we get a palindrome (2522356532252).

The spelling of 1220323302031 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, three hundred two thousand, thirty-one".