5131521322514 has 32 divisors (see below), whose sum is σ = 8952014609280. Its totient is φ = 2188270225152.

The previous prime is 5131521322511. The next prime is 5131521322519. The reversal of 5131521322514 is 4152231251315.

It is a super-4 number, since 4×5131521322514⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (5131521322511) 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, 172670609 + ... + 172700324.

It is an arithmetic number, because the mean of its divisors is an integer number (279750456540).

Almost surely, 2^{5131521322514} is an apocalyptic number.

5131521322514 is a deficient number, since it is larger than the sum of its proper divisors (3820493286766).

5131521322514 is a wasteful number, since it uses less digits than its factorization.

5131521322514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345370994.

The product of its digits is 36000, while the sum is 35.

Adding to 5131521322514 its reverse (4152231251315), we get a palindrome (9283752573829).

The spelling of 5131521322514 in words is "five trillion, one hundred thirty-one billion, five hundred twenty-one million, three hundred twenty-two thousand, five hundred fourteen".