1001220130031 has 16 divisors (see below), whose sum is σ = 1107525318048. Its totient is φ = 897469747200.

The previous prime is 1001220130021. The next prime is 1001220130049. The reversal of 1001220130031 is 1300310221001.

It is a cyclic number.

It is not a de Polignac number, because 1001220130031 - 2¹⁸ = 1001219867887 is a prime.

It is a super-2 number, since 2×1001220130031² (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 = 1001220129988 and 1001220130015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001220130021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2599055 + ... + 2959311.

It is an arithmetic number, because the mean of its divisors is an integer number (69220332378).

Almost surely, 2^{1001220130031} is an apocalyptic number.

1001220130031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001220130031 is a deficient number, since it is larger than the sum of its proper divisors (106305188017).

1001220130031 is a wasteful number, since it uses less digits than its factorization.

1001220130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363802.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1001220130031 its reverse (1300310221001), we get a palindrome (2301530351032).

The spelling of 1001220130031 in words is "one trillion, one billion, two hundred twenty million, one hundred thirty thousand, thirty-one".