131121302533104 has 80 divisors (see below), whose sum is σ = 364789578535200. Its totient is φ = 40344641154048.

The previous prime is 131121302533099. The next prime is 131121302533121. The reversal of 131121302533104 is 401335203121131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70384402 + ... + 72223310.

It is an arithmetic number, because the mean of its divisors is an integer number (4559869731690).

Almost surely, 2^{131121302533104} is an apocalyptic number.

It is an amenable number.

131121302533104 is an abundant number, since it is smaller than the sum of its proper divisors (233668276002096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131121302533104 is a wasteful number, since it uses less digits than its factorization.

131121302533104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953202 (or 1953196 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 131121302533104 its reverse (401335203121131), we get a palindrome (532456505654235).

The spelling of 131121302533104 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred two million, five hundred thirty-three thousand, one hundred four".