131033100123 has 24 divisors (see below), whose sum is σ = 202940337600. Its totient is φ = 81176120064.

The previous prime is 131033100119. The next prime is 131033100179. The reversal of 131033100123 is 321001330131.

It is a happy number.

131033100123 is a `hidden beast` number, since 1 + 310 + 331 + 0 + 0 + 1 + 23 = 666.

It is not a de Polignac number, because 131033100123 - 2² = 131033100119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131033100096 and 131033100105.

It is not an unprimeable number, because it can be changed into a prime (131033100223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5408328 + ... + 5432501.

It is an arithmetic number, because the mean of its divisors is an integer number (8455847400).

Almost surely, 2^131033100123 is an apocalyptic number.

131033100123 is a deficient number, since it is larger than the sum of its proper divisors (71907237477).

131033100123 is a wasteful number, since it uses less digits than its factorization.

131033100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840931 (or 10840928 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131033100123 its reverse (321001330131), we get a palindrome (452034430254).

The spelling of 131033100123 in words is "one hundred thirty-one billion, thirty-three million, one hundred thousand, one hundred twenty-three".