315103542531 has 16 divisors (see below), whose sum is σ = 427517289600. Its totient is φ = 206383716288.

The previous prime is 315103542503. The next prime is 315103542541. The reversal of 315103542531 is 135245301513.

It is not a de Polignac number, because 315103542531 - 2¹⁰ = 315103541507 is a prime.

It is a super-2 number, since 2×315103542531² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315103542492 and 315103542501.

It is not an unprimeable number, because it can be changed into a prime (315103542541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 243901 + ... + 830478.

It is an arithmetic number, because the mean of its divisors is an integer number (26719830600).

Almost surely, 2^315103542531 is an apocalyptic number.

315103542531 is a deficient number, since it is larger than the sum of its proper divisors (112413747069).

315103542531 is a wasteful number, since it uses less digits than its factorization.

315103542531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076098.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 315103542531 in words is "three hundred fifteen billion, one hundred three million, five hundred forty-two thousand, five hundred thirty-one".