1101231213 has 8 divisors (see below), whose sum is σ = 1469220576. Its totient is φ = 733698000.

The previous prime is 1101231199. The next prime is 1101231221. The reversal of 1101231213 is 3121321011.

It is a happy number.

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

It is not a de Polignac number, because 1101231213 - 2⁶ = 1101231149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101231192 and 1101231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101231293) 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, 108363 + ... + 118088.

It is an arithmetic number, because the mean of its divisors is an integer number (183652572).

Almost surely, 2^1101231213 is an apocalyptic number.

It is an amenable number.

1101231213 is a deficient number, since it is larger than the sum of its proper divisors (367989363).

1101231213 is a wasteful number, since it uses less digits than its factorization.

1101231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228075.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1101231213 is about 33184.8039469875. The cubic root of 1101231213 is about 1032.6651102458.

Adding to 1101231213 its reverse (3121321011), we get a palindrome (4222552224).

The spelling of 1101231213 in words is "one billion, one hundred one million, two hundred thirty-one thousand, two hundred thirteen".