1001011213 has 8 divisors (see below), whose sum is σ = 1013731200. Its totient is φ = 988324128.

The previous prime is 1001011211. The next prime is 1001011229. The reversal of 1001011213 is 3121101001.

1001011213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001011213 - 2¹ = 1001011211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001011213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001011211) 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, 56170 + ... + 71812.

It is an arithmetic number, because the mean of its divisors is an integer number (126716400).

Almost surely, 2^1001011213 is an apocalyptic number.

It is an amenable number.

1001011213 is a deficient number, since it is larger than the sum of its proper divisors (12719987).

1001011213 is an equidigital number, since it uses as much as digits as its factorization.

1001011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16451.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1001011213 is about 31638.7612431334. The cubic root of 1001011213 is about 1000.3369574469.

Adding to 1001011213 its reverse (3121101001), we get a palindrome (4122112214).

The spelling of 1001011213 in words is "one billion, one million, eleven thousand, two hundred thirteen".