315534101520442 has 16 divisors (see below), whose sum is σ = 540965692281600. Its totient is φ = 135216378232848.

The previous prime is 315534101520433. The next prime is 315534101520499. The reversal of 315534101520442 is 244025101435513.

It is a super-2 number, since 2×315534101520442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315534101520395 and 315534101520404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043378313 + ... + 1043680684.

It is an arithmetic number, because the mean of its divisors is an integer number (33810355767600).

Almost surely, 2^{315534101520442} is an apocalyptic number.

315534101520442 is a deficient number, since it is larger than the sum of its proper divisors (225431590761158).

315534101520442 is a wasteful number, since it uses less digits than its factorization.

315534101520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087069805.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 315534101520442 its reverse (244025101435513), we get a palindrome (559559202955955).

The spelling of 315534101520442 in words is "three hundred fifteen trillion, five hundred thirty-four billion, one hundred one million, five hundred twenty thousand, four hundred forty-two".