315103455331 has 4 divisors (see below), whose sum is σ = 360118234672. Its totient is φ = 270088675992.

The previous prime is 315103455323. The next prime is 315103455343. The reversal of 315103455331 is 133554301513.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 315103455331 - 2³ = 315103455323 is a prime.

It is a super-2 number, since 2×315103455331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315103455301) 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, 22507389660 + ... + 22507389673.

It is an arithmetic number, because the mean of its divisors is an integer number (90029558668).

Almost surely, 2^315103455331 is an apocalyptic number.

315103455331 is a deficient number, since it is larger than the sum of its proper divisors (45014779341).

315103455331 is an equidigital number, since it uses as much as digits as its factorization.

315103455331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45014779340.

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 315103455331 its reverse (133554301513), we get a palindrome (448657756844).

The spelling of 315103455331 in words is "three hundred fifteen billion, one hundred three million, four hundred fifty-five thousand, three hundred thirty-one".