1304111311 has 8 divisors (see below), whose sum is σ = 1315811840. Its totient is φ = 1292433408.

The previous prime is 1304111309. The next prime is 1304111363. The reversal of 1304111311 is 1131114031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304111311 - 2¹ = 1304111309 is a prime.

It is a super-2 number, since 2×1304111311² = 3401412622956277442, 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 (1304115311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123055 + ... + 133231.

It is an arithmetic number, because the mean of its divisors is an integer number (164476480).

Almost surely, 2^1304111311 is an apocalyptic number.

1304111311 is a deficient number, since it is larger than the sum of its proper divisors (11700529).

1304111311 is a wasteful number, since it uses less digits than its factorization.

1304111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1304111311 is about 36112.4813741731. The cubic root of 1304111311 is about 1092.5421993904.

Adding to 1304111311 its reverse (1131114031), we get a palindrome (2435225342).

The spelling of 1304111311 in words is "one billion, three hundred four million, one hundred eleven thousand, three hundred eleven".