210131133120321 has 8 divisors (see below), whose sum is σ = 320199821897664. Its totient is φ = 120074933211600.

The previous prime is 210131133120289. The next prime is 210131133120367. The reversal of 210131133120321 is 123021331131012.

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

It is not a de Polignac number, because 210131133120321 - 2⁵ = 210131133120289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210131133120291 and 210131133120300.

It is not an unprimeable number, because it can be changed into a prime (210131133120221) 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, 5003122217130 + ... + 5003122217171.

It is an arithmetic number, because the mean of its divisors is an integer number (40024977737208).

Almost surely, 2^{210131133120321} is an apocalyptic number.

210131133120321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210131133120321 is a deficient number, since it is larger than the sum of its proper divisors (110068688777343).

210131133120321 is a wasteful number, since it uses less digits than its factorization.

210131133120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006244434311.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 210131133120321 its reverse (123021331131012), we get a palindrome (333152464251333).

The spelling of 210131133120321 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred thirty-three million, one hundred twenty thousand, three hundred twenty-one".