131303232123211 has 4 divisors (see below), whose sum is σ = 131359082075424. Its totient is φ = 131247382171000.

The previous prime is 131303232123199. The next prime is 131303232123251. The reversal of 131303232123211 is 112321232303131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131303232123211 - 2⁴¹ = 129104208867659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131303232123211.

It is not an unprimeable number, because it can be changed into a prime (131303232123251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27924972580 + ... + 27924977281.

It is an arithmetic number, because the mean of its divisors is an integer number (32839770518856).

Almost surely, 2^{131303232123211} is an apocalyptic number.

131303232123211 is a deficient number, since it is larger than the sum of its proper divisors (55849952213).

131303232123211 is an equidigital number, since it uses as much as digits as its factorization.

131303232123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55849952212.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 131303232123211 its reverse (112321232303131), we get a palindrome (243624464426342).

The spelling of 131303232123211 in words is "one hundred thirty-one trillion, three hundred three billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred eleven".