5231125042 has 16 divisors (see below), whose sum is σ = 9218486592. Its totient is φ = 2194877520.

The previous prime is 5231125021. The next prime is 5231125043. The reversal of 5231125042 is 2405211325.

It is a junction number, because it is equal to n+sod(n) for n = 5231124998 and 5231125016.

It is not an unprimeable number, because it can be changed into a prime (5231125043) 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, 9145038 + ... + 9145609.

It is an arithmetic number, because the mean of its divisors is an integer number (576155412).

Almost surely, 2^5231125042 is an apocalyptic number.

5231125042 is a deficient number, since it is larger than the sum of its proper divisors (3987361550).

5231125042 is a wasteful number, since it uses less digits than its factorization.

5231125042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290673.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5231125042 is about 72326.5168662227. The cubic root of 5231125042 is about 1735.9279687333.

Adding to 5231125042 its reverse (2405211325), we get a palindrome (7636336367).

The spelling of 5231125042 in words is "five billion, two hundred thirty-one million, one hundred twenty-five thousand, forty-two".