1102311 has 12 divisors (see below), whose sum is σ = 1819792. Its totient is φ = 629856.

The previous prime is 1102307. The next prime is 1102313. The reversal of 1102311 is 1132011.

It is not a de Polignac number, because 1102311 - 2² = 1102307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102293 and 1102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8686 + ... + 8811.

2^1102311 is an apocalyptic number.

1102311 is a deficient number, since it is larger than the sum of its proper divisors (717481).

1102311 is a wasteful number, since it uses less digits than its factorization.

1102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17510 (or 17507 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1102311 is about 1049.9099961425. The cubic root of 1102311 is about 103.3002518684.

Adding to 1102311 its reverse (1132011), we get a palindrome (2234322).

The spelling of 1102311 in words is "one million, one hundred two thousand, three hundred eleven".