1021313010239 has 2 divisors, whose sum is σ = 1021313010240. Its totient is φ = 1021313010238.

The previous prime is 1021313010199. The next prime is 1021313010269. The reversal of 1021313010239 is 9320103131201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021313010239 - 2²⁸ = 1021044574783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021313010269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510656505119 + 510656505120.

It is an arithmetic number, because the mean of its divisors is an integer number (510656505120).

Almost surely, 2^{1021313010239} is an apocalyptic number.

1021313010239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021313010239 is an equidigital number, since it uses as much as digits as its factorization.

1021313010239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 1021313010239 in words is "one trillion, twenty-one billion, three hundred thirteen million, ten thousand, two hundred thirty-nine".