1010310231391 has 2 divisors, whose sum is σ = 1010310231392. Its totient is φ = 1010310231390.

The previous prime is 1010310231367. The next prime is 1010310231407. The reversal of 1010310231391 is 1931320130101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010310231391 - 2¹³ = 1010310223199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010310231191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505155115695 + 505155115696.

It is an arithmetic number, because the mean of its divisors is an integer number (505155115696).

Almost surely, 2^{1010310231391} is an apocalyptic number.

1010310231391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010310231391 is an equidigital number, since it uses as much as digits as its factorization.

1010310231391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 1010310231391 its reverse (1931320130101), we get a palindrome (2941630361492).

The spelling of 1010310231391 in words is "one trillion, ten billion, three hundred ten million, two hundred thirty-one thousand, three hundred ninety-one".