131323000203121 has 8 divisors (see below), whose sum is σ = 135854951281920. Its totient is φ = 126791287241808.

The previous prime is 131323000203071. The next prime is 131323000203167. The reversal of 131323000203121 is 121302000323131.

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 131323000203121 - 2⁷ = 131323000202993 is a prime.

It is a super-4 number, since 4×131323000203121⁴ (a number of 58 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131323000203092 and 131323000203101.

It is not an unprimeable number, because it can be changed into a prime (131323000213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58406971 + ... + 60613696.

It is an arithmetic number, because the mean of its divisors is an integer number (16981868910240).

Almost surely, 2^{131323000203121} is an apocalyptic number.

It is an amenable number.

131323000203121 is a deficient number, since it is larger than the sum of its proper divisors (4531951078799).

131323000203121 is a wasteful number, since it uses less digits than its factorization.

131323000203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119058743.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131323000203121 its reverse (121302000323131), we get a palindrome (252625000526252).

The spelling of 131323000203121 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, two hundred three thousand, one hundred twenty-one".