131220303211 has 8 divisors (see below), whose sum is σ = 132002895024. Its totient is φ = 130439587200.

The previous prime is 131220303209. The next prime is 131220303233. The reversal of 131220303211 is 112303022131.

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 131220303211 - 2¹ = 131220303209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131220303811) 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, 328501 + ... + 608566.

It is an arithmetic number, because the mean of its divisors is an integer number (16500361878).

Almost surely, 2^131220303211 is an apocalyptic number.

131220303211 is a deficient number, since it is larger than the sum of its proper divisors (782591813).

131220303211 is an equidigital number, since it uses as much as digits as its factorization.

131220303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937901.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131220303211 its reverse (112303022131), we get a palindrome (243523325342).

The spelling of 131220303211 in words is "one hundred thirty-one billion, two hundred twenty million, three hundred three thousand, two hundred eleven".