131141103251 has 4 divisors (see below), whose sum is σ = 138043266600. Its totient is φ = 124238939904.

The previous prime is 131141103241. The next prime is 131141103271. The reversal of 131141103251 is 152301141131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131141103251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131141103241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451081646 + ... + 3451081683.

It is an arithmetic number, because the mean of its divisors is an integer number (34510816650).

Almost surely, 2^131141103251 is an apocalyptic number.

131141103251 is a deficient number, since it is larger than the sum of its proper divisors (6902163349).

131141103251 is an equidigital number, since it uses as much as digits as its factorization.

131141103251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902163348.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 131141103251 its reverse (152301141131), we get a palindrome (283442244382).

The spelling of 131141103251 in words is "one hundred thirty-one billion, one hundred forty-one million, one hundred three thousand, two hundred fifty-one".