131132020310221 has 32 divisors (see below), whose sum is σ = 156919745525760. Its totient is φ = 107229159887616.

The previous prime is 131132020310219. The next prime is 131132020310257. The reversal of 131132020310221 is 122013020231131.

It is not a de Polignac number, because 131132020310221 - 2¹ = 131132020310219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131132020310192 and 131132020310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132020310321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18462075 + ... + 24558343.

It is an arithmetic number, because the mean of its divisors is an integer number (4903742047680).

Almost surely, 2^{131132020310221} is an apocalyptic number.

It is an amenable number.

131132020310221 is a deficient number, since it is larger than the sum of its proper divisors (25787725215539).

131132020310221 is a wasteful number, since it uses less digits than its factorization.

131132020310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097933.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131132020310221 its reverse (122013020231131), we get a palindrome (253145040541352).

The spelling of 131132020310221 in words is "one hundred thirty-one trillion, one hundred thirty-two billion, twenty million, three hundred ten thousand, two hundred twenty-one".