1001220130331 has 8 divisors (see below), whose sum is σ = 1004195646720. Its totient is φ = 998248523752.

The previous prime is 1001220130307. The next prime is 1001220130343. The reversal of 1001220130331 is 1330310221001.

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-1001220130331 is a prime.

It is a super-2 number, since 2×1001220130331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001220130381) 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, 464135 + ... + 1489248.

It is an arithmetic number, because the mean of its divisors is an integer number (125524455840).

Almost surely, 2^{1001220130331} is an apocalyptic number.

1001220130331 is a deficient number, since it is larger than the sum of its proper divisors (2975516389).

1001220130331 is a wasteful number, since it uses less digits than its factorization.

1001220130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954905.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1001220130331 its reverse (1330310221001), we get a palindrome (2331530351332).

The spelling of 1001220130331 in words is "one trillion, one billion, two hundred twenty million, one hundred thirty thousand, three hundred thirty-one".