131043252145 has 32 divisors (see below), whose sum is σ = 172030223232. Its totient is φ = 95240420352.

The previous prime is 131043252127. The next prime is 131043252161. The reversal of 131043252145 is 541252340131.

It is a cyclic number.

It is not a de Polignac number, because 131043252145 - 2³⁵ = 96683513777 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 5051929 + ... + 5077801.

It is an arithmetic number, because the mean of its divisors is an integer number (5375944476).

Almost surely, 2^131043252145 is an apocalyptic number.

It is an amenable number.

131043252145 is a deficient number, since it is larger than the sum of its proper divisors (40986971087).

131043252145 is a wasteful number, since it uses less digits than its factorization.

131043252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27121.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 131043252145 its reverse (541252340131), we get a palindrome (672295592276).

It can be divided in two parts, 13104 and 3252145, that added together give a square (3265249 = 1807²).

The spelling of 131043252145 in words is "one hundred thirty-one billion, forty-three million, two hundred fifty-two thousand, one hundred forty-five".