1011213311 has 8 divisors (see below), whose sum is σ = 1028188800. Its totient is φ = 994313880.

The previous prime is 1011213289. The next prime is 1011213323. The reversal of 1011213311 is 1133121101.

It is a happy number.

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 1011213311 - 2¹⁰ = 1011212287 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 (1011203311) 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, 8120 + ... + 45698.

It is an arithmetic number, because the mean of its divisors is an integer number (128523600).

Almost surely, 2^1011213311 is an apocalyptic number.

1011213311 is a deficient number, since it is larger than the sum of its proper divisors (16975489).

1011213311 is an equidigital number, since it uses as much as digits as its factorization.

1011213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38029.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1011213311 is about 31799.5803588664. The cubic root of 1011213311 is about 1003.7238857945.

Adding to 1011213311 its reverse (1133121101), we get a palindrome (2144334412).

The spelling of 1011213311 in words is "one billion, eleven million, two hundred thirteen thousand, three hundred eleven".