220304001031 has 4 divisors (see below), whose sum is σ = 220305765600. Its totient is φ = 220302236464.

The previous prime is 220304001017. The next prime is 220304001101. The reversal of 220304001031 is 130100403022.

It is a happy number.

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 220304001031 - 2⁹ = 220304000519 is a prime.

It is a super-2 number, since 2×220304001031² (a number of 23 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 = 220304000996 and 220304001014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220304001431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679471 + ... + 949888.

It is an arithmetic number, because the mean of its divisors is an integer number (55076441400).

Almost surely, 2^220304001031 is an apocalyptic number.

220304001031 is a deficient number, since it is larger than the sum of its proper divisors (1764569).

220304001031 is a wasteful number, since it uses less digits than its factorization.

220304001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764568.

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

Adding to 220304001031 its reverse (130100403022), we get a palindrome (350404404053).

The spelling of 220304001031 in words is "two hundred twenty billion, three hundred four million, one thousand, thirty-one".