2100131342356 has 12 divisors (see below), whose sum is σ = 3677286509568. Its totient is φ = 1049478053912.

The previous prime is 2100131342299. The next prime is 2100131342359. The reversal of 2100131342356 is 6532431310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100131342359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 146896276 + ... + 146910571.

It is an arithmetic number, because the mean of its divisors is an integer number (306440542464).

Almost surely, 2^{2100131342356} is an apocalyptic number.

It is an amenable number.

2100131342356 is a deficient number, since it is larger than the sum of its proper divisors (1577155167212).

2100131342356 is a wasteful number, since it uses less digits than its factorization.

2100131342356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293808638 (or 293808636 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 2100131342356 its reverse (6532431310012), we get a palindrome (8632562652368).

The spelling of 2100131342356 in words is "two trillion, one hundred billion, one hundred thirty-one million, three hundred forty-two thousand, three hundred fifty-six".