1313043111 has 6 divisors (see below), whose sum is σ = 1896617840. Its totient is φ = 875362068.

The previous prime is 1313043107. The next prime is 1313043131. The reversal of 1313043111 is 1113403131.

1313043111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1313043111 - 2² = 1313043107 is a prime.

It is a super-2 number, since 2×1313043111² = 3448164422689116642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313043131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72946831 + ... + 72946848.

Almost surely, 2^1313043111 is an apocalyptic number.

1313043111 is a deficient number, since it is larger than the sum of its proper divisors (583574729).

1313043111 is a wasteful number, since it uses less digits than its factorization.

1313043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145893685 (or 145893682 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1313043111 is about 36235.9367341318. The cubic root of 1313043111 is about 1095.0307841474.

Adding to 1313043111 its reverse (1113403131), we get a palindrome (2426446242).

The spelling of 1313043111 in words is "one billion, three hundred thirteen million, forty-three thousand, one hundred eleven".