1101212313 has 4 divisors (see below), whose sum is σ = 1468283088. Its totient is φ = 734141540.

The previous prime is 1101212291. The next prime is 1101212339. The reversal of 1101212313 is 3132121011.

It is a happy number.

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 not a de Polignac number, because 1101212313 - 2⁹ = 1101211801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101212292 and 1101212301.

It is not an unprimeable number, because it can be changed into a prime (1101212353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183535383 + ... + 183535388.

It is an arithmetic number, because the mean of its divisors is an integer number (367070772).

Almost surely, 2^1101212313 is an apocalyptic number.

It is an amenable number.

1101212313 is a deficient number, since it is larger than the sum of its proper divisors (367070775).

1101212313 is an equidigital number, since it uses as much as digits as its factorization.

1101212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367070774.

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

The square root of 1101212313 is about 33184.5191768692. The cubic root of 1101212313 is about 1032.6592024697.

Adding to 1101212313 its reverse (3132121011), we get a palindrome (4233333324).

The spelling of 1101212313 in words is "one billion, one hundred one million, two hundred twelve thousand, three hundred thirteen".