2113431213304 has 8 divisors (see below), whose sum is σ = 3962683524960. Its totient is φ = 1056715606648.

The previous prime is 2113431213293. The next prime is 2113431213323. The reversal of 2113431213304 is 4033121343112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132089450824 + ... + 132089450839.

It is an arithmetic number, because the mean of its divisors is an integer number (495335440620).

Almost surely, 2^{2113431213304} is an apocalyptic number.

It is an amenable number.

2113431213304 is a deficient number, since it is larger than the sum of its proper divisors (1849252311656).

2113431213304 is a wasteful number, since it uses less digits than its factorization.

2113431213304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264178901669 (or 264178901665 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 2113431213304 its reverse (4033121343112), we get a palindrome (6146552556416).

The spelling of 2113431213304 in words is "two trillion, one hundred thirteen billion, four hundred thirty-one million, two hundred thirteen thousand, three hundred four".