315345511 has 4 divisors (see below), whose sum is σ = 339602872. Its totient is φ = 291088152.

The previous prime is 315345497. The next prime is 315345517. The reversal of 315345511 is 115543513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115543513 = 23 ⋅5023631.

It is a cyclic number.

It is not a de Polignac number, because 315345511 - 2⁹ = 315344999 is a prime.

It is a super-2 number, since 2×315345511² = 198885582615702242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315345511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315345517) 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, 12128661 + ... + 12128686.

It is an arithmetic number, because the mean of its divisors is an integer number (84900718).

Almost surely, 2^315345511 is an apocalyptic number.

315345511 is a deficient number, since it is larger than the sum of its proper divisors (24257361).

315345511 is a wasteful number, since it uses less digits than its factorization.

315345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24257360.

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

The square root of 315345511 is about 17757.9703513662. The cubic root of 315345511 is about 680.6578919829.

The spelling of 315345511 in words is "three hundred fifteen million, three hundred forty-five thousand, five hundred eleven".