312003115525 has 6 divisors (see below), whose sum is σ = 386883863282. Its totient is φ = 249602492400.

The previous prime is 312003115519. The next prime is 312003115559. The reversal of 312003115525 is 525511300213.

It can be written as a sum of positive squares in 3 ways, for example, as 6042574756 + 305960540769 = 77734^2 + 553137^2 .

It is not a de Polignac number, because 312003115525 - 2³ = 312003115517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312003115493 and 312003115502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6240062286 + ... + 6240062335.

Almost surely, 2^312003115525 is an apocalyptic number.

It is an amenable number.

312003115525 is a deficient number, since it is larger than the sum of its proper divisors (74880747757).

312003115525 is a wasteful number, since it uses less digits than its factorization.

312003115525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12480124631 (or 12480124626 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 312003115525 its reverse (525511300213), we get a palindrome (837514415738).

The spelling of 312003115525 in words is "three hundred twelve billion, three million, one hundred fifteen thousand, five hundred twenty-five".