331200121002134 has 4 divisors (see below), whose sum is σ = 496800181503204. Its totient is φ = 165600060501066.

The previous prime is 331200121002067. The next prime is 331200121002137. The reversal of 331200121002134 is 431200121002133.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331200121002137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82800030250532 + ... + 82800030250535.

It is an arithmetic number, because the mean of its divisors is an integer number (124200045375801).

Almost surely, 2^{331200121002134} is an apocalyptic number.

331200121002134 is a deficient number, since it is larger than the sum of its proper divisors (165600060501070).

331200121002134 is a wasteful number, since it uses less digits than its factorization.

331200121002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165600060501069.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 331200121002134 its reverse (431200121002133), we get a palindrome (762400242004267).

Subtracting 331200121002134 from its reverse (431200121002133), we obtain a palindrome (99999999999999).

The spelling of 331200121002134 in words is "three hundred thirty-one trillion, two hundred billion, one hundred twenty-one million, two thousand, one hundred thirty-four".