1311018 has 16 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 427616.

The previous prime is 1311001. The next prime is 1311029. The reversal of 1311018 is 8101131.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1310988 and 1311006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

2^1311018 is an apocalyptic number.

1311018 is an abundant number, since it is smaller than the sum of its proper divisors (1367382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311018 is a wasteful number, since it uses less digits than its factorization.

1311018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1311018 is about 1144.9969432274. The cubic root of 1311018 is about 109.4467537875.

Adding to 1311018 its reverse (8101131), we get a palindrome (9412149).

The spelling of 1311018 in words is "one million, three hundred eleven thousand, eighteen".