1345311 has 24 divisors (see below), whose sum is σ = 2156544. Its totient is φ = 801360.

The previous prime is 1345303. The next prime is 1345343. The reversal of 1345311 is 1135431.

1345311 is a `hidden beast` number, since 134 + 531 + 1 = 666.

It is not a de Polignac number, because 1345311 - 2³ = 1345303 is a prime.

1345311 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345301) 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 23 ways as a sum of consecutive naturals, for example, 10530 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2^1345311 is an apocalyptic number.

1345311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1345311 is a deficient number, since it is larger than the sum of its proper divisors (811233).

1345311 is a wasteful number, since it uses less digits than its factorization.

1345311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 248 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1345311 is about 1159.8754243452. The cubic root of 1345311 is about 110.3928378309.

It can be divided in two parts, 134 and 5311, that added together give a palindrome (5445).

The spelling of 1345311 in words is "one million, three hundred forty-five thousand, three hundred eleven".