315213040133 has 16 divisors (see below), whose sum is σ = 343370400000. Its totient is φ = 288219943872.

The previous prime is 315213040117. The next prime is 315213040139. The reversal of 315213040133 is 331040312513.

It is a cyclic number.

It is not a de Polignac number, because 315213040133 - 2⁴ = 315213040117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315213040139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421243 + ... + 1627991.

It is an arithmetic number, because the mean of its divisors is an integer number (21460650000).

Almost surely, 2^315213040133 is an apocalyptic number.

It is an amenable number.

315213040133 is a deficient number, since it is larger than the sum of its proper divisors (28157359867).

315213040133 is a wasteful number, since it uses less digits than its factorization.

315213040133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209564.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 315213040133 its reverse (331040312513), we get a palindrome (646253352646).

The spelling of 315213040133 in words is "three hundred fifteen billion, two hundred thirteen million, forty thousand, one hundred thirty-three".