213040313124 has 24 divisors (see below), whose sum is σ = 498692445888. Its totient is φ = 70785097440.

The previous prime is 213040313099. The next prime is 213040313183. The reversal of 213040313124 is 421313040312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213040313094 and 213040313103.

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, 28538647 + ... + 28546110.

It is an arithmetic number, because the mean of its divisors is an integer number (20778851912).

Almost surely, 2^213040313124 is an apocalyptic number.

It is an amenable number.

213040313124 is an abundant number, since it is smaller than the sum of its proper divisors (285652132764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213040313124 is a wasteful number, since it uses less digits than its factorization.

213040313124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57085075 (or 57085073 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213040313124 its reverse (421313040312), we get a palindrome (634353353436).

The spelling of 213040313124 in words is "two hundred thirteen billion, forty million, three hundred thirteen thousand, one hundred twenty-four".