1513341311 has 4 divisors (see below), whose sum is σ = 1513511400. Its totient is φ = 1513171224.

The previous prime is 1513341293. The next prime is 1513341331. The reversal of 1513341311 is 1131433151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1131433151 = 283 ⋅3997997.

It is a cyclic number.

It is not a de Polignac number, because 1513341311 - 2¹⁰ = 1513340287 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 (1513341331) 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, 70916 + ... + 89753.

It is an arithmetic number, because the mean of its divisors is an integer number (378377850).

Almost surely, 2^1513341311 is an apocalyptic number.

1513341311 is a deficient number, since it is larger than the sum of its proper divisors (170089).

1513341311 is an equidigital number, since it uses as much as digits as its factorization.

1513341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170088.

The product of its digits is 540, while the sum is 23.

The square root of 1513341311 is about 38901.6877654428. The cubic root of 1513341311 is about 1148.0980056006.

Adding to 1513341311 its reverse (1131433151), we get a palindrome (2644774462).

The spelling of 1513341311 in words is "one billion, five hundred thirteen million, three hundred forty-one thousand, three hundred eleven".