1311013524 has 48 divisors (see below), whose sum is σ = 3195182592. Its totient is φ = 417592032.

The previous prime is 1311013513. The next prime is 1311013537. The reversal of 1311013524 is 4253101131.

It is a super-2 number, since 2×1311013524² = 3437512920221797152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311013524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407707 + ... + 410909.

It is an arithmetic number, because the mean of its divisors is an integer number (66566304).

Almost surely, 2^1311013524 is an apocalyptic number.

It is an amenable number.

1311013524 is an abundant number, since it is smaller than the sum of its proper divisors (1884169068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311013524 is a wasteful number, since it uses less digits than its factorization.

1311013524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1311013524 is about 36207.9207356622. The cubic root of 1311013524 is about 1094.4662923180.

Adding to 1311013524 its reverse (4253101131), we get a palindrome (5564114655).

The spelling of 1311013524 in words is "one billion, three hundred eleven million, thirteen thousand, five hundred twenty-four".