1311516741 has 16 divisors (see below), whose sum is σ = 1825873920. Its totient is φ = 835800240.

The previous prime is 1311516719. The next prime is 1311516779. The reversal of 1311516741 is 1476151131.

It is not a de Polignac number, because 1311516741 - 2⁹ = 1311516229 is a prime.

It is a super-2 number, since 2×1311516741² = 3440152323846522162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311516699 and 1311516708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311511741) 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, 124020 + ... + 134178.

It is an arithmetic number, because the mean of its divisors is an integer number (114117120).

Almost surely, 2^1311516741 is an apocalyptic number.

It is an amenable number.

1311516741 is a deficient number, since it is larger than the sum of its proper divisors (514357179).

1311516741 is a wasteful number, since it uses less digits than its factorization.

1311516741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056.

The product of its digits is 2520, while the sum is 30.

The square root of 1311516741 is about 36214.8690595451. The cubic root of 1311516741 is about 1094.6063070426.

Adding to 1311516741 its reverse (1476151131), we get a palindrome (2787667872).

The spelling of 1311516741 in words is "one billion, three hundred eleven million, five hundred sixteen thousand, seven hundred forty-one".