5121531230 has 16 divisors (see below), whose sum is σ = 9310032864. Its totient is φ = 2028328800.

The previous prime is 5121531229. The next prime is 5121531251. The reversal of 5121531230 is 321351215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5121531196 and 5121531205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534402 + ... + 2536421.

It is an arithmetic number, because the mean of its divisors is an integer number (581877054).

Almost surely, 2^5121531230 is an apocalyptic number.

5121531230 is a deficient number, since it is larger than the sum of its proper divisors (4188501634).

5121531230 is a wasteful number, since it uses less digits than its factorization.

5121531230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070931.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5121531230 is about 71564.8742750241. The cubic root of 5121531230 is about 1723.7195544326.

Adding to 5121531230 its reverse (321351215), we get a palindrome (5442882445).

The spelling of 5121531230 in words is "five billion, one hundred twenty-one million, five hundred thirty-one thousand, two hundred thirty".