131203211123 has 8 divisors (see below), whose sum is σ = 131429241408. Its totient is φ = 130977310464.

The previous prime is 131203211077. The next prime is 131203211141. The reversal of 131203211123 is 321112302131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131203211123 - 2¹⁴ = 131203194739 is a prime.

It is a super-3 number, since 3×131203211123³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131203211095 and 131203211104.

It is not an unprimeable number, because it can be changed into a prime (131203211323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114915 + ... + 2176067.

It is an arithmetic number, because the mean of its divisors is an integer number (16428655176).

Almost surely, 2^131203211123 is an apocalyptic number.

131203211123 is a deficient number, since it is larger than the sum of its proper divisors (226030285).

131203211123 is an equidigital number, since it uses as much as digits as its factorization.

131203211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64813.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131203211123 its reverse (321112302131), we get a palindrome (452315513254).

The spelling of 131203211123 in words is "one hundred thirty-one billion, two hundred three million, two hundred eleven thousand, one hundred twenty-three".