5313121216 has 56 divisors (see below), whose sum is σ = 11371519040. Its totient is φ = 2448479232.

The previous prime is 5313121213. The next prime is 5313121223. The reversal of 5313121216 is 6121213135.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5313121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585385 + ... + 594391.

It is an arithmetic number, because the mean of its divisors is an integer number (203062840).

Almost surely, 2^5313121216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5313121216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5685759520).

5313121216 is an abundant number, since it is smaller than the sum of its proper divisors (6058397824).

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

5313121216 is a wasteful number, since it uses less digits than its factorization.

5313121216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741 (or 9731 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 5313121216 is about 72891.1600675967. The cubic root of 5313121216 is about 1744.9510215780.

It can be divided in two parts, 53131 and 21216, that added together give a palindrome (74347).

The spelling of 5313121216 in words is "five billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred sixteen".