315340040212 has 12 divisors (see below), whose sum is σ = 551909127616. Its totient is φ = 157651718040.

The previous prime is 315340040209. The next prime is 315340040243. The reversal of 315340040212 is 212040043513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4536714 + ... + 4605697.

Almost surely, 2^315340040212 is an apocalyptic number.

It is an amenable number.

315340040212 is a deficient number, since it is larger than the sum of its proper divisors (236569087404).

315340040212 is a wasteful number, since it uses less digits than its factorization.

315340040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151038 (or 9151036 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 315340040212 its reverse (212040043513), we get a palindrome (527380083725).

The spelling of 315340040212 in words is "three hundred fifteen billion, three hundred forty million, forty thousand, two hundred twelve".