131032122123 has 64 divisors (see below), whose sum is σ = 205435699200. Its totient is φ = 72744147840.

The previous prime is 131032122061. The next prime is 131032122127. The reversal of 131032122123 is 321221230131.

It is not a de Polignac number, because 131032122123 - 2⁶ = 131032122059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 131032122123.

It is not an unprimeable number, because it can be changed into a prime (131032122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50806048 + ... + 50808626.

It is an arithmetic number, because the mean of its divisors is an integer number (3209932800).

Almost surely, 2^131032122123 is an apocalyptic number.

131032122123 is a deficient number, since it is larger than the sum of its proper divisors (74403577077).

131032122123 is a wasteful number, since it uses less digits than its factorization.

131032122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131032122123 its reverse (321221230131), we get a palindrome (452253352254).

The spelling of 131032122123 in words is "one hundred thirty-one billion, thirty-two million, one hundred twenty-two thousand, one hundred twenty-three".