131120304450452 has 6 divisors (see below), whose sum is σ = 229460532788298. Its totient is φ = 65560152225224.

The previous prime is 131120304450449. The next prime is 131120304450479. The reversal of 131120304450452 is 254054403021131.

It can be written as a sum of positive squares in only one way, i.e., 114651755493136 + 16468548957316 = 10707556^2 + 4058146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16390038056303 + ... + 16390038056310.

It is an arithmetic number, because the mean of its divisors is an integer number (38243422131383).

Almost surely, 2^{131120304450452} is an apocalyptic number.

It is an amenable number.

131120304450452 is a deficient number, since it is larger than the sum of its proper divisors (98340228337846).

131120304450452 is a wasteful number, since it uses less digits than its factorization.

131120304450452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32780076112617 (or 32780076112615 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 131120304450452 its reverse (254054403021131), we get a palindrome (385174707471583).

The spelling of 131120304450452 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred four million, four hundred fifty thousand, four hundred fifty-two".