1311213082 has 8 divisors (see below), whose sum is σ = 1967148000. Its totient is φ = 655497084.

The previous prime is 1311213073. The next prime is 1311213083. The reversal of 1311213082 is 2803121131.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1311213083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38832 + ... + 64267.

It is an arithmetic number, because the mean of its divisors is an integer number (245893500).

Almost surely, 2^1311213082 is an apocalyptic number.

1311213082 is a deficient number, since it is larger than the sum of its proper divisors (655934918).

1311213082 is a wasteful number, since it uses less digits than its factorization.

1311213082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109460.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1311213082 is about 36210.6763538048. The cubic root of 1311213082 is about 1094.5218214740.

The spelling of 1311213082 in words is "one billion, three hundred eleven million, two hundred thirteen thousand, eighty-two".