131142530011 has 4 divisors (see below), whose sum is σ = 134686922752. Its totient is φ = 127598137272.

The previous prime is 131142529981. The next prime is 131142530053. The reversal of 131142530011 is 110035241131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131142530011 - 2⁹ = 131142529499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131142530081) 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, 1772196315 + ... + 1772196388.

It is an arithmetic number, because the mean of its divisors is an integer number (33671730688).

Almost surely, 2^131142530011 is an apocalyptic number.

131142530011 is a deficient number, since it is larger than the sum of its proper divisors (3544392741).

131142530011 is an equidigital number, since it uses as much as digits as its factorization.

131142530011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544392740.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 131142530011 its reverse (110035241131), we get a palindrome (241177771142).

The spelling of 131142530011 in words is "one hundred thirty-one billion, one hundred forty-two million, five hundred thirty thousand, eleven".