131244102231 has 32 divisors (see below), whose sum is σ = 194187974400. Its totient is φ = 78172826880.

The previous prime is 131244102191. The next prime is 131244102239. The reversal of 131244102231 is 132201442131.

It is not a de Polignac number, because 131244102231 - 2⁶ = 131244102167 is a prime.

It is a super-2 number, since 2×131244102231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131244102239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10330275 + ... + 10342971.

It is an arithmetic number, because the mean of its divisors is an integer number (6068374200).

Almost surely, 2^131244102231 is an apocalyptic number.

131244102231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131244102231 is a deficient number, since it is larger than the sum of its proper divisors (62943872169).

131244102231 is a wasteful number, since it uses less digits than its factorization.

131244102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18079.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131244102231 its reverse (132201442131), we get a palindrome (263445544362).

The spelling of 131244102231 in words is "one hundred thirty-one billion, two hundred forty-four million, one hundred two thousand, two hundred thirty-one".