1020251140343 has 2 divisors, whose sum is σ = 1020251140344. Its totient is φ = 1020251140342.

The previous prime is 1020251140309. The next prime is 1020251140369. The reversal of 1020251140343 is 3430411520201.

It is a happy number.

It is an a-pointer prime, because the next prime (1020251140369) can be obtained adding 1020251140343 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020251140343 - 2⁸ = 1020251140087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020251140373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510125570171 + 510125570172.

It is an arithmetic number, because the mean of its divisors is an integer number (510125570172).

Almost surely, 2^{1020251140343} is an apocalyptic number.

1020251140343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020251140343 is an equidigital number, since it uses as much as digits as its factorization.

1020251140343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1020251140343 its reverse (3430411520201), we get a palindrome (4450662660544).

The spelling of 1020251140343 in words is "one trillion, twenty billion, two hundred fifty-one million, one hundred forty thousand, three hundred forty-three".