315341444143513 has 4 divisors (see below), whose sum is σ = 318592386866740. Its totient is φ = 312090501420288.

The previous prime is 315341444143501. The next prime is 315341444143633.

315341444143513 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 237399438003984 + 77942006139529 = 15407772^2 + 8828477^2 .

It is a cyclic number.

It is not a de Polignac number, because 315341444143513 - 2²⁵ = 315341410589081 is a prime.

It is a super-2 number, since 2×315341444143513² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315341444143013) 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, 1625471361468 + ... + 1625471361661.

It is an arithmetic number, because the mean of its divisors is an integer number (79648096716685).

Almost surely, 2^{315341444143513} is an apocalyptic number.

It is an amenable number.

315341444143513 is a deficient number, since it is larger than the sum of its proper divisors (3250942723227).

315341444143513 is an equidigital number, since it uses as much as digits as its factorization.

315341444143513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250942723226.

The product of its digits is 2073600, while the sum is 46.

The spelling of 315341444143513 in words is "three hundred fifteen trillion, three hundred forty-one billion, four hundred forty-four million, one hundred forty-three thousand, five hundred thirteen".