315154253474471 has 4 divisors (see below), whose sum is σ = 321859663122912. Its totient is φ = 308448843826032.

The previous prime is 315154253474413. The next prime is 315154253474507. The reversal of 315154253474471 is 174474352451513.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315154253474471 is a prime.

It is a super-3 number, since 3×315154253474471³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315154253477471) 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, 3352704824150 + ... + 3352704824243.

It is an arithmetic number, because the mean of its divisors is an integer number (80464915780728).

Almost surely, 2^{315154253474471} is an apocalyptic number.

315154253474471 is a deficient number, since it is larger than the sum of its proper divisors (6705409648441).

315154253474471 is an equidigital number, since it uses as much as digits as its factorization.

315154253474471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705409648440.

The product of its digits is 28224000, while the sum is 56.

The spelling of 315154253474471 in words is "three hundred fifteen trillion, one hundred fifty-four billion, two hundred fifty-three million, four hundred seventy-four thousand, four hundred seventy-one".