131200231231231 has 8 divisors (see below), whose sum is σ = 131598217270400. Its totient is φ = 130802517883800.

The previous prime is 131200231231219. The next prime is 131200231231241. The reversal of 131200231231231 is 132132132002131.

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-131200231231231 is a prime.

It is a super-2 number, since 2×131200231231231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131200231231196 and 131200231231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200231231241) 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, 67209195 + ... + 69133756.

It is an arithmetic number, because the mean of its divisors is an integer number (16449777158800).

Almost surely, 2^{131200231231231} is an apocalyptic number.

131200231231231 is a deficient number, since it is larger than the sum of its proper divisors (397986039169).

131200231231231 is a wasteful number, since it uses less digits than its factorization.

131200231231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136345869.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131200231231231 its reverse (132132132002131), we get a palindrome (263332363233362).

The spelling of 131200231231231 in words is "one hundred thirty-one trillion, two hundred billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-one".