315232043111 has 4 divisors (see below), whose sum is σ = 315575060400. Its totient is φ = 314889025824.

The previous prime is 315232043053. The next prime is 315232043117. The reversal of 315232043111 is 111340232513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111340232513 = 139 ⋅801008867.

It is a cyclic number.

It is not a de Polignac number, because 315232043111 - 2⁶ = 315232043047 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 (315232043117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171507266 + ... + 171509103.

It is an arithmetic number, because the mean of its divisors is an integer number (78893765100).

Almost surely, 2^315232043111 is an apocalyptic number.

315232043111 is a deficient number, since it is larger than the sum of its proper divisors (343017289).

315232043111 is an equidigital number, since it uses as much as digits as its factorization.

315232043111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343017288.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 315232043111 its reverse (111340232513), we get a palindrome (426572275624).

The spelling of 315232043111 in words is "three hundred fifteen billion, two hundred thirty-two million, forty-three thousand, one hundred eleven".