1020310320133 has 4 divisors (see below), whose sum is σ = 1098795729388. Its totient is φ = 941824910880.

The previous prime is 1020310320047. The next prime is 1020310320137. The reversal of 1020310320133 is 3310230130201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136225213569 + 884085106564 = 369087^2 + 940258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020310320133 - 2⁹ = 1020310319621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020310320133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020310320137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39242704608 + ... + 39242704633.

It is an arithmetic number, because the mean of its divisors is an integer number (274698932347).

Almost surely, 2^{1020310320133} is an apocalyptic number.

1020310320133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1020310320133 is a deficient number, since it is larger than the sum of its proper divisors (78485409255).

1020310320133 is an equidigital number, since it uses as much as digits as its factorization.

1020310320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78485409254.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1020310320133 its reverse (3310230130201), we get a palindrome (4330540450334).

The spelling of 1020310320133 in words is "one trillion, twenty billion, three hundred ten million, three hundred twenty thousand, one hundred thirty-three".