315212320126 has 16 divisors (see below), whose sum is σ = 518114999808. Its totient is φ = 142635821400.

The previous prime is 315212320103. The next prime is 315212320169. The reversal of 315212320126 is 621023212513.

It is a junction number, because it is equal to n+sod(n) for n = 315212320094 and 315212320103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32120280 + ... + 32130091.

It is an arithmetic number, because the mean of its divisors is an integer number (32382187488).

Almost surely, 2^315212320126 is an apocalyptic number.

315212320126 is a deficient number, since it is larger than the sum of its proper divisors (202902679682).

315212320126 is a wasteful number, since it uses less digits than its factorization.

315212320126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64250607.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 315212320126 its reverse (621023212513), we get a palindrome (936235532639).

The spelling of 315212320126 in words is "three hundred fifteen billion, two hundred twelve million, three hundred twenty thousand, one hundred twenty-six".