315140306551 has 4 divisors (see below), whose sum is σ = 360160350352. Its totient is φ = 270120262752.

The previous prime is 315140306549. The next prime is 315140306563. The reversal of 315140306551 is 155603041513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315140306551 - 2¹ = 315140306549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315140306501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22510021890 + ... + 22510021903.

It is an arithmetic number, because the mean of its divisors is an integer number (90040087588).

Almost surely, 2^315140306551 is an apocalyptic number.

315140306551 is a deficient number, since it is larger than the sum of its proper divisors (45020043801).

315140306551 is an equidigital number, since it uses as much as digits as its factorization.

315140306551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45020043800.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 315140306551 in words is "three hundred fifteen billion, one hundred forty million, three hundred six thousand, five hundred fifty-one".