131201012131 has 8 divisors (see below), whose sum is σ = 150291915264. Its totient is φ = 112197084360.

The previous prime is 131201012119. The next prime is 131201012141. The reversal of 131201012131 is 131210102131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131201012131 is a prime.

It is a super-2 number, since 2×131201012131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131201012141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21740605 + ... + 21746638.

It is an arithmetic number, because the mean of its divisors is an integer number (18786489408).

Almost surely, 2^131201012131 is an apocalyptic number.

131201012131 is a deficient number, since it is larger than the sum of its proper divisors (19090903133).

131201012131 is an equidigital number, since it uses as much as digits as its factorization.

131201012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43487681.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131201012131 its reverse (131210102131), we get a palindrome (262411114262).

The spelling of 131201012131 in words is "one hundred thirty-one billion, two hundred one million, twelve thousand, one hundred thirty-one".