1304140311 has 16 divisors (see below), whose sum is σ = 1932695520. Its totient is φ = 869140800.

The previous prime is 1304140309. The next prime is 1304140337. The reversal of 1304140311 is 1130414031.

It is not a de Polignac number, because 1304140311 - 2¹ = 1304140309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304140301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104611 + ... + 116411.

It is an arithmetic number, because the mean of its divisors is an integer number (120793470).

Almost surely, 2^1304140311 is an apocalyptic number.

1304140311 is a deficient number, since it is larger than the sum of its proper divisors (628555209).

1304140311 is a wasteful number, since it uses less digits than its factorization.

1304140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15903 (or 15897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1304140311 is about 36112.8828951664. The cubic root of 1304140311 is about 1092.5502977505.

Adding to 1304140311 its reverse (1130414031), we get a palindrome (2434554342).

The spelling of 1304140311 in words is "one billion, three hundred four million, one hundred forty thousand, three hundred eleven".