1020413020343 has 2 divisors, whose sum is σ = 1020413020344. Its totient is φ = 1020413020342.

The previous prime is 1020413020301. The next prime is 1020413020411. The reversal of 1020413020343 is 3430203140201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020413020343 - 2⁶ = 1020413020279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020413020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510206510171 + 510206510172.

It is an arithmetic number, because the mean of its divisors is an integer number (510206510172).

Almost surely, 2^{1020413020343} is an apocalyptic number.

1020413020343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020413020343 is an equidigital number, since it uses as much as digits as its factorization.

1020413020343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1020413020343 its reverse (3430203140201), we get a palindrome (4450616160544).

The spelling of 1020413020343 in words is "one trillion, twenty billion, four hundred thirteen million, twenty thousand, three hundred forty-three".