315142311 has 32 divisors (see below), whose sum is σ = 501037056. Its totient is φ = 173952000.

The previous prime is 315142309. The next prime is 315142319. The reversal of 315142311 is 113241513.

It is not a de Polignac number, because 315142311 - 2¹ = 315142309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315142319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8331 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (15657408).

Almost surely, 2^315142311 is an apocalyptic number.

315142311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

315142311 is a deficient number, since it is larger than the sum of its proper divisors (185894745).

315142311 is a wasteful number, since it uses less digits than its factorization.

315142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18183.

The product of its digits is 360, while the sum is 21.

The square root of 315142311 is about 17752.2480548239. The cubic root of 315142311 is about 680.5116614758.

Adding to 315142311 its reverse (113241513), we get a palindrome (428383824).

The spelling of 315142311 in words is "three hundred fifteen million, one hundred forty-two thousand, three hundred eleven".