1322011231031 has 8 divisors (see below), whose sum is σ = 1338278385024. Its totient is φ = 1305752155960.

The previous prime is 1322011230997. The next prime is 1322011231091. The reversal of 1322011231031 is 1301321102231.

It is a happy number.

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-1322011231031 is a prime.

It is a super-2 number, since 2×1322011231031² (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 = 1322011230994 and 1322011231012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322011231091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690115 + ... + 2345316.

It is an arithmetic number, because the mean of its divisors is an integer number (167284798128).

Almost surely, 2^{1322011231031} is an apocalyptic number.

1322011231031 is a deficient number, since it is larger than the sum of its proper divisors (16267153993).

1322011231031 is an equidigital number, since it uses as much as digits as its factorization.

1322011231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039461.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1322011231031 its reverse (1301321102231), we get a palindrome (2623332333262).

The spelling of 1322011231031 in words is "one trillion, three hundred twenty-two billion, eleven million, two hundred thirty-one thousand, thirty-one".