131200033123 has 16 divisors (see below), whose sum is σ = 138979456000. Its totient is φ = 123659252640.

The previous prime is 131200033109. The next prime is 131200033163. The reversal of 131200033123 is 321330002131.

It is a cyclic number.

It is not a de Polignac number, because 131200033123 - 2⁵ = 131200033091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131200033123.

It is not an unprimeable number, because it can be changed into a prime (131200033163) 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, 324208 + ... + 606226.

It is an arithmetic number, because the mean of its divisors is an integer number (8686216000).

Almost surely, 2^131200033123 is an apocalyptic number.

131200033123 is a deficient number, since it is larger than the sum of its proper divisors (7779422877).

131200033123 is a wasteful number, since it uses less digits than its factorization.

131200033123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282442.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131200033123 its reverse (321330002131), we get a palindrome (452530035254).

The spelling of 131200033123 in words is "one hundred thirty-one billion, two hundred million, thirty-three thousand, one hundred twenty-three".