315054381 has 4 divisors (see below), whose sum is σ = 420072512. Its totient is φ = 210036252.

The previous prime is 315054359. The next prime is 315054407. The reversal of 315054381 is 183450513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 315054381 - 2¹¹ = 315052333 is a prime.

It is a super-2 number, since 2×315054381² = 198518525974586322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315054781) 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, 52509061 + ... + 52509066.

It is an arithmetic number, because the mean of its divisors is an integer number (105018128).

Almost surely, 2^315054381 is an apocalyptic number.

It is an amenable number.

315054381 is a deficient number, since it is larger than the sum of its proper divisors (105018131).

315054381 is a wasteful number, since it uses less digits than its factorization.

315054381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105018130.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 315054381 is about 17749.7712943012. The cubic root of 315054381 is about 680.4483641924.

The spelling of 315054381 in words is "three hundred fifteen million, fifty-four thousand, three hundred eighty-one".