2131343234402 has 16 divisors (see below), whose sum is σ = 3199845796224. Its totient is φ = 1064728098000.

The previous prime is 2131343234401. The next prime is 2131343234413. The reversal of 2131343234402 is 2044323431312.

It is not an unprimeable number, because it can be changed into a prime (2131343234401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49245452 + ... + 49288712.

It is an arithmetic number, because the mean of its divisors is an integer number (199990362264).

Almost surely, 2^{2131343234402} is an apocalyptic number.

2131343234402 is a deficient number, since it is larger than the sum of its proper divisors (1068502561822).

2131343234402 is a wasteful number, since it uses less digits than its factorization.

2131343234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64505.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2131343234402 its reverse (2044323431312), we get a palindrome (4175666665714).

The spelling of 2131343234402 in words is "two trillion, one hundred thirty-one billion, three hundred forty-three million, two hundred thirty-four thousand, four hundred two".