1001213332131 has 4 divisors (see below), whose sum is σ = 1334951109512. Its totient is φ = 667475554752.

The previous prime is 1001213332121. The next prime is 1001213332177. The reversal of 1001213332131 is 1312333121001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1001213332131 - 2⁹ = 1001213331619 is a prime.

It is a super-2 number, since 2×1001213332131² (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 = 1001213332098 and 1001213332107.

It is not an unprimeable number, because it can be changed into a prime (1001213332121) 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, 166868888686 + ... + 166868888691.

It is an arithmetic number, because the mean of its divisors is an integer number (333737777378).

Almost surely, 2^{1001213332131} is an apocalyptic number.

1001213332131 is a deficient number, since it is larger than the sum of its proper divisors (333737777381).

1001213332131 is an equidigital number, since it uses as much as digits as its factorization.

1001213332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333737777380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1001213332131 its reverse (1312333121001), we get a palindrome (2313546453132).

The spelling of 1001213332131 in words is "one trillion, one billion, two hundred thirteen million, three hundred thirty-two thousand, one hundred thirty-one".