1231050549283 has 2 divisors, whose sum is σ = 1231050549284. Its totient is φ = 1231050549282.

The previous prime is 1231050549221. The next prime is 1231050549341. The reversal of 1231050549283 is 3829450501321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231050549283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231050549083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615525274641 + 615525274642.

It is an arithmetic number, because the mean of its divisors is an integer number (615525274642).

Almost surely, 2^{1231050549283} is an apocalyptic number.

1231050549283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231050549283 is an equidigital number, since it uses as much as digits as its factorization.

1231050549283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1231050549283 in words is "one trillion, two hundred thirty-one billion, fifty million, five hundred forty-nine thousand, two hundred eighty-three".