131021022134113 has 4 divisors (see below), whose sum is σ = 131021046716868. Its totient is φ = 131020997551360.

The previous prime is 131021022134069. The next prime is 131021022134117. The reversal of 131021022134113 is 311431220120131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6364176743824 + 124656845390289 = 2522732^2 + 11164983^2 .

It is a cyclic number.

It is not a de Polignac number, because 131021022134113 - 2¹³ = 131021022125921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131021022134117) 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, 572056 + ... + 16197817.

It is an arithmetic number, because the mean of its divisors is an integer number (32755261679217).

Almost surely, 2^{131021022134113} is an apocalyptic number.

It is an amenable number.

131021022134113 is a deficient number, since it is larger than the sum of its proper divisors (24582755).

131021022134113 is an equidigital number, since it uses as much as digits as its factorization.

131021022134113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24582754.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131021022134113 its reverse (311431220120131), we get a palindrome (442452242254244).

The spelling of 131021022134113 in words is "one hundred thirty-one trillion, twenty-one billion, twenty-two million, one hundred thirty-four thousand, one hundred thirteen".