220331323213031 has 8 divisors (see below), whose sum is σ = 221487154652928. Its totient is φ = 219175515360000.

The previous prime is 220331323213019. The next prime is 220331323213049. The reversal of 220331323213031 is 130312323133022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220331323213031 is a prime.

It is a super-2 number, since 2×220331323213031² (a number of 29 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 = 220331323212985 and 220331323213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220331323213831) 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, 12993131 + ... + 24687731.

It is an arithmetic number, because the mean of its divisors is an integer number (27685894331616).

Almost surely, 2^{220331323213031} is an apocalyptic number.

220331323213031 is a deficient number, since it is larger than the sum of its proper divisors (1155831439897).

220331323213031 is a wasteful number, since it uses less digits than its factorization.

220331323213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11793433.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 220331323213031 its reverse (130312323133022), we get a palindrome (350643646346053).

The spelling of 220331323213031 in words is "two hundred twenty trillion, three hundred thirty-one billion, three hundred twenty-three million, two hundred thirteen thousand, thirty-one".