5131612350 has 144 divisors (see below), whose sum is σ = 15101957520. Its totient is φ = 1243468800.

The previous prime is 5131612349. The next prime is 5131612351. The reversal of 5131612350 is 532161315.

5131612350 is a `hidden beast` number, since 5 + 13 + 1 + 612 + 35 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5131612349) and next prime (5131612351).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131612351) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 210285 + ... + 233415.

It is an arithmetic number, because the mean of its divisors is an integer number (104874705).

Almost surely, 2^5131612350 is an apocalyptic number.

5131612350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131612350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7550978760).

5131612350 is an abundant number, since it is smaller than the sum of its proper divisors (9970345170).

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

5131612350 is a wasteful number, since it uses less digits than its factorization.

5131612350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23195 (or 23187 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5131612350 is about 71635.2730852616. The cubic root of 5131612350 is about 1724.8497915835.

Adding to 5131612350 its reverse (532161315), we get a palindrome (5663773665).

The spelling of 5131612350 in words is "five billion, one hundred thirty-one million, six hundred twelve thousand, three hundred fifty".