131120332231 has 16 divisors (see below), whose sum is σ = 154562451264. Its totient is φ = 108881950464.

The previous prime is 131120332177. The next prime is 131120332283. The reversal of 131120332231 is 132233021131.

It is not a de Polignac number, because 131120332231 - 2¹³ = 131120324039 is a prime.

It is a super-2 number, since 2×131120332231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131120333231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026040 + ... + 1146733.

It is an arithmetic number, because the mean of its divisors is an integer number (9660153204).

Almost surely, 2^131120332231 is an apocalyptic number.

131120332231 is a deficient number, since it is larger than the sum of its proper divisors (23442119033).

131120332231 is a wasteful number, since it uses less digits than its factorization.

131120332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173050.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131120332231 its reverse (132233021131), we get a palindrome (263353353362).

The spelling of 131120332231 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred thirty-two thousand, two hundred thirty-one".