5131123610 has 16 divisors (see below), whose sum is σ = 9257360616. Its totient is φ = 2047707648.

The previous prime is 5131123607. The next prime is 5131123639. The reversal of 5131123610 is 163211315.

It can be written as a sum of positive squares in 4 ways, for example, as 2770232689 + 2360890921 = 52633^2 + 48589^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588179 + ... + 596838.

Almost surely, 2^5131123610 is an apocalyptic number.

5131123610 is a deficient number, since it is larger than the sum of its proper divisors (4126237006).

5131123610 is a wasteful number, since it uses less digits than its factorization.

5131123610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185457.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5131123610 is about 71631.8616957566. The cubic root of 5131123610 is about 1724.7950310265.

Adding to 5131123610 its reverse (163211315), we get a palindrome (5294334925).

The spelling of 5131123610 in words is "five billion, one hundred thirty-one million, one hundred twenty-three thousand, six hundred ten".