131110321124 has 12 divisors (see below), whose sum is σ = 237354891900. Its totient is φ = 63294637728.

The previous prime is 131110321099. The next prime is 131110321157. The reversal of 131110321124 is 421123011131.

It can be written as a sum of positive squares in 2 ways, for example, as 87006121024 + 44104200100 = 294968^2 + 210010^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131110321096 and 131110321105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565130579 + ... + 565130810.

It is an arithmetic number, because the mean of its divisors is an integer number (19779574325).

Almost surely, 2^131110321124 is an apocalyptic number.

It is an amenable number.

131110321124 is a deficient number, since it is larger than the sum of its proper divisors (106244570776).

131110321124 is a wasteful number, since it uses less digits than its factorization.

131110321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130261422 (or 1130261420 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131110321124 its reverse (421123011131), we get a palindrome (552233332255).

The spelling of 131110321124 in words is "one hundred thirty-one billion, one hundred ten million, three hundred twenty-one thousand, one hundred twenty-four".