5312451312 has 320 divisors, whose sum is σ = 19258767360. Its totient is φ = 1366142976.

The previous prime is 5312451311. The next prime is 5312451323. The reversal of 5312451312 is 2131542135.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312451311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1180138 + ... + 1184630.

It is an arithmetic number, because the mean of its divisors is an integer number (60183648).

Almost surely, 2^5312451312 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 5312451312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9629383680).

5312451312 is an abundant number, since it is smaller than the sum of its proper divisors (13946316048).

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

5312451312 is a wasteful number, since it uses less digits than its factorization.

5312451312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557 (or 4545 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5312451312 is about 72886.5646878765. The cubic root of 5312451312 is about 1744.8776812097.

Adding to 5312451312 its reverse (2131542135), we get a palindrome (7443993447).

The spelling of 5312451312 in words is "five billion, three hundred twelve million, four hundred fifty-one thousand, three hundred twelve".