131210320032011 has 4 divisors (see below), whose sum is σ = 143138530944024. Its totient is φ = 119282109120000.

The previous prime is 131210320032007. The next prime is 131210320032017. The reversal of 131210320032011 is 110230023012131.

It is a happy number.

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 131210320032011 - 2² = 131210320032007 is a prime.

It is a super-2 number, since 2×131210320032011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131210320032017) 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, 5964105455990 + ... + 5964105456011.

It is an arithmetic number, because the mean of its divisors is an integer number (35784632736006).

Almost surely, 2^{131210320032011} is an apocalyptic number.

131210320032011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131210320032011 is a deficient number, since it is larger than the sum of its proper divisors (11928210912013).

131210320032011 is a wasteful number, since it uses less digits than its factorization.

131210320032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928210912012.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131210320032011 its reverse (110230023012131), we get a palindrome (241440343044142).

The spelling of 131210320032011 in words is "one hundred thirty-one trillion, two hundred ten billion, three hundred twenty million, thirty-two thousand, eleven".