1313022111 has 16 divisors (see below), whose sum is σ = 1766064384. Its totient is φ = 867683264.

The previous prime is 1313022097. The next prime is 1313022131. The reversal of 1313022111 is 1112203131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1313022111 - 2⁹ = 1313021599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313022131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337966 + ... + 341828.

It is an arithmetic number, because the mean of its divisors is an integer number (110379024).

Almost surely, 2^1313022111 is an apocalyptic number.

1313022111 is a deficient number, since it is larger than the sum of its proper divisors (453042273).

1313022111 is a wasteful number, since it uses less digits than its factorization.

1313022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830.

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

The square root of 1313022111 is about 36235.6469653848. The cubic root of 1313022111 is about 1095.0249463677.

Adding to 1313022111 its reverse (1112203131), we get a palindrome (2425225242).

The spelling of 1313022111 in words is "one billion, three hundred thirteen million, twenty-two thousand, one hundred eleven".