1000133131213 has 4 divisors (see below), whose sum is σ = 1000135550848. Its totient is φ = 1000130711580.

The previous prime is 1000133131199. The next prime is 1000133131219. The reversal of 1000133131213 is 3121313310001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000133131213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000133131219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416331 + ... + 1474312.

It is an arithmetic number, because the mean of its divisors is an integer number (250033887712).

Almost surely, 2^{1000133131213} is an apocalyptic number.

It is an amenable number.

1000133131213 is a deficient number, since it is larger than the sum of its proper divisors (2419635).

1000133131213 is an equidigital number, since it uses as much as digits as its factorization.

1000133131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419634.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1000133131213 its reverse (3121313310001), we get a palindrome (4121446441214).

The spelling of 1000133131213 in words is "one trillion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred thirteen".