1311450514 has 48 divisors (see below), whose sum is σ = 2213664768. Its totient is φ = 582120000.

The previous prime is 1311450493. The next prime is 1311450521. The reversal of 1311450514 is 4150541131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2181814 + ... + 2182414.

It is an arithmetic number, because the mean of its divisors is an integer number (46118016).

Almost surely, 2^1311450514 is an apocalyptic number.

1311450514 is a deficient number, since it is larger than the sum of its proper divisors (902214254).

1311450514 is a wasteful number, since it uses less digits than its factorization.

1311450514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1311450514 is about 36213.9546860047. The cubic root of 1311450514 is about 1094.5878821381.

Adding to 1311450514 its reverse (4150541131), we get a palindrome (5461991645).

The spelling of 1311450514 in words is "one billion, three hundred eleven million, four hundred fifty thousand, five hundred fourteen".