312133304131525 has 6 divisors (see below), whose sum is σ = 387045297123122. Its totient is φ = 249706643305200.

The previous prime is 312133304131511. The next prime is 312133304131591. The reversal of 312133304131525 is 525131403331213.

It can be written as a sum of positive squares in 3 ways, for example, as 3918693425761 + 308214610705764 = 1979569^2 + 17556042^2 .

It is not a de Polignac number, because 312133304131525 - 2¹⁵ = 312133304098757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6242666082606 + ... + 6242666082655.

Almost surely, 2^{312133304131525} is an apocalyptic number.

It is an amenable number.

312133304131525 is a deficient number, since it is larger than the sum of its proper divisors (74911992991597).

312133304131525 is a wasteful number, since it uses less digits than its factorization.

312133304131525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485332165271 (or 12485332165266 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 312133304131525 its reverse (525131403331213), we get a palindrome (837264707462738).

The spelling of 312133304131525 in words is "three hundred twelve trillion, one hundred thirty-three billion, three hundred four million, one hundred thirty-one thousand, five hundred twenty-five".