315520241640142 has 32 divisors (see below), whose sum is σ = 624773465498880. Its totient is φ = 115698789905280.

The previous prime is 315520241640133. The next prime is 315520241640187. The reversal of 315520241640142 is 241046142025513.

It is a junction number, because it is equal to n+sod(n) for n = 315520241640095 and 315520241640104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60259783792 + ... + 60259789027.

It is an arithmetic number, because the mean of its divisors is an integer number (19524170796840).

Almost surely, 2^{315520241640142} is an apocalyptic number.

315520241640142 is a deficient number, since it is larger than the sum of its proper divisors (309253223858738).

315520241640142 is a wasteful number, since it uses less digits than its factorization.

315520241640142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120519572856.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 315520241640142 its reverse (241046142025513), we get a palindrome (556566383665655).

The spelling of 315520241640142 in words is "three hundred fifteen trillion, five hundred twenty billion, two hundred forty-one million, six hundred forty thousand, one hundred forty-two".