1310020001 has 4 divisors (see below), whose sum is σ = 1311267504. Its totient is φ = 1308772500.

The previous prime is 1310019989. The next prime is 1310020007. The reversal of 1310020001 is 1000200131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000200131 = 7 ⋅142885733.

It is a cyclic number.

It is not a de Polignac number, because 1310020001 - 2⁶ = 1310019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310020007) 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 3 ways as a sum of consecutive naturals, for example, 622175 + ... + 624276.

It is an arithmetic number, because the mean of its divisors is an integer number (327816876).

Almost surely, 2^1310020001 is an apocalyptic number.

It is an amenable number.

1310020001 is a deficient number, since it is larger than the sum of its proper divisors (1247503).

1310020001 is a wasteful number, since it uses less digits than its factorization.

1310020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247502.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1310020001 is about 36194.1984439495. The cubic root of 1310020001 is about 1094.1897499809.

Adding to 1310020001 its reverse (1000200131), we get a palindrome (2310220132).

The spelling of 1310020001 in words is "one billion, three hundred ten million, twenty thousand, one".