1310020133 has 8 divisors (see below), whose sum is σ = 1336455288. Its totient is φ = 1283648704.

The previous prime is 1310020123. The next prime is 1310020141. The reversal of 1310020133 is 3310200131.

It can be written as a sum of positive squares in 4 ways, for example, as 20994724 + 1289025409 = 4582^2 + 35903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310020133 - 2⁸ = 1310019877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310020123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26735 + ... + 57747.

It is an arithmetic number, because the mean of its divisors is an integer number (167056911).

Almost surely, 2^1310020133 is an apocalyptic number.

It is an amenable number.

1310020133 is a deficient number, since it is larger than the sum of its proper divisors (26435155).

1310020133 is an equidigital number, since it uses as much as digits as its factorization.

1310020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31863.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1310020133 is about 36194.2002674462. The cubic root of 1310020133 is about 1094.1897867318.

Adding to 1310020133 its reverse (3310200131), we get a palindrome (4620220264).

It can be divided in two parts, 13100 and 20133, that added together give a palindrome (33233).

The spelling of 1310020133 in words is "one billion, three hundred ten million, twenty thousand, one hundred thirty-three".