131261023241 has 8 divisors (see below), whose sum is σ = 131599987200. Its totient is φ = 130922267392.

The previous prime is 131261023171. The next prime is 131261023247. The reversal of 131261023241 is 142320162131.

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-131261023241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131261023241.

It is not an unprimeable number, because it can be changed into a prime (131261023247) 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, 1253096 + ... + 1353798.

It is an arithmetic number, because the mean of its divisors is an integer number (16449998400).

Almost surely, 2^131261023241 is an apocalyptic number.

It is an amenable number.

131261023241 is a deficient number, since it is larger than the sum of its proper divisors (338963959).

131261023241 is a wasteful number, since it uses less digits than its factorization.

131261023241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104055.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131261023241 its reverse (142320162131), we get a palindrome (273581185372).

The spelling of 131261023241 in words is "one hundred thirty-one billion, two hundred sixty-one million, twenty-three thousand, two hundred forty-one".