131121200154203 has 8 divisors (see below), whose sum is σ = 149858599415520. Its totient is φ = 112385250702720.

The previous prime is 131121200154199. The next prime is 131121200154253. The reversal of 131121200154203 is 302451002121131.

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 131121200154203 - 2² = 131121200154199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131121200154253) 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, 362258648 + ... + 362620421.

It is an arithmetic number, because the mean of its divisors is an integer number (18732324926940).

Almost surely, 2^{131121200154203} is an apocalyptic number.

131121200154203 is a deficient number, since it is larger than the sum of its proper divisors (18737399261317).

131121200154203 is an equidigital number, since it uses as much as digits as its factorization.

131121200154203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724904917.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 131121200154203 its reverse (302451002121131), we get a palindrome (433572202275334).

The spelling of 131121200154203 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred million, one hundred fifty-four thousand, two hundred three".