2131302434332 has 24 divisors (see below), whose sum is σ = 3779393016672. Its totient is φ = 1051549497600.

The previous prime is 2131302434279. The next prime is 2131302434383. The reversal of 2131302434332 is 2334342031312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131302434294 and 2131302434303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9088969 + ... + 9320512.

It is an arithmetic number, because the mean of its divisors is an integer number (157474709028).

Almost surely, 2^{2131302434332} is an apocalyptic number.

It is an amenable number.

2131302434332 is a deficient number, since it is larger than the sum of its proper divisors (1648090582340).

2131302434332 is a wasteful number, since it uses less digits than its factorization.

2131302434332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18409869 (or 18409867 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 2131302434332 its reverse (2334342031312), we get a palindrome (4465644465644).

It can be divided in two parts, 213130 and 2434332, that added together give a palindrome (2647462).

The spelling of 2131302434332 in words is "two trillion, one hundred thirty-one billion, three hundred two million, four hundred thirty-four thousand, three hundred thirty-two".