1220230233031 has 4 divisors (see below), whose sum is σ = 1223009801200. Its totient is φ = 1217450664864.

The previous prime is 1220230232927. The next prime is 1220230233049. The reversal of 1220230233031 is 1303320320221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220230233031 - 2¹³ = 1220230224839 is a prime.

It is a super-2 number, since 2×1220230233031² (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 = 1220230232993 and 1220230233011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220230234031) 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 3 ways as a sum of consecutive naturals, for example, 1389783426 + ... + 1389784303.

It is an arithmetic number, because the mean of its divisors is an integer number (305752450300).

Almost surely, 2^{1220230233031} is an apocalyptic number.

1220230233031 is a deficient number, since it is larger than the sum of its proper divisors (2779568169).

1220230233031 is an equidigital number, since it uses as much as digits as its factorization.

1220230233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779568168.

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

Adding to 1220230233031 its reverse (1303320320221), we get a palindrome (2523550553252).

The spelling of 1220230233031 in words is "one trillion, two hundred twenty billion, two hundred thirty million, two hundred thirty-three thousand, thirty-one".