125002316131 has 32 divisors (see below), whose sum is σ = 158283072000. Its totient is φ = 95893486080.

The previous prime is 125002316129. The next prime is 125002316143. The reversal of 125002316131 is 131613200521.

It is a happy number.

It is not a de Polignac number, because 125002316131 - 2¹ = 125002316129 is a prime.

It is a super-2 number, since 2×125002316131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125002316096 and 125002316105.

It is not an unprimeable number, because it can be changed into a prime (125002316171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1248240 + ... + 1344658.

It is an arithmetic number, because the mean of its divisors is an integer number (4946346000).

Almost surely, 2^125002316131 is an apocalyptic number.

125002316131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125002316131 is a deficient number, since it is larger than the sum of its proper divisors (33280755869).

125002316131 is a wasteful number, since it uses less digits than its factorization.

125002316131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96699.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 125002316131 its reverse (131613200521), we get a palindrome (256615516652).

The spelling of 125002316131 in words is "one hundred twenty-five billion, two million, three hundred sixteen thousand, one hundred thirty-one".