131220331283 has 2 divisors, whose sum is σ = 131220331284. Its totient is φ = 131220331282.

The previous prime is 131220331279. The next prime is 131220331327. The reversal of 131220331283 is 382133022131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131220331283 - 2² = 131220331279 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131220331213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65610165641 + 65610165642.

It is an arithmetic number, because the mean of its divisors is an integer number (65610165642).

Almost surely, 2^131220331283 is an apocalyptic number.

131220331283 is a deficient number, since it is larger than the sum of its proper divisors (1).

131220331283 is an equidigital number, since it uses as much as digits as its factorization.

131220331283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 131220331283 in words is "one hundred thirty-one billion, two hundred twenty million, three hundred thirty-one thousand, two hundred eighty-three".