1310111 has 4 divisors (see below), whose sum is σ = 1429224. Its totient is φ = 1191000.

The previous prime is 1310093. The next prime is 1310117. The reversal of 1310111 is 1110131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310117) 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, 59540 + ... + 59561.

It is an arithmetic number, because the mean of its divisors is an integer number (357306).

2^1310111 is an apocalyptic number.

1310111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310111 is a deficient number, since it is larger than the sum of its proper divisors (119113).

1310111 is a wasteful number, since it uses less digits than its factorization.

1310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119112.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 1310111 is about 1144.6008037740. The cubic root of 1310111 is about 109.4215084929.

Adding to 1310111 its reverse (1110131), we get a palindrome (2420242).

The spelling of 1310111 in words is "one million, three hundred ten thousand, one hundred eleven".