1311420001 has 12 divisors (see below), whose sum is σ = 1434817476. Its totient is φ = 1194447360.

The previous prime is 1311419983. The next prime is 1311420013. The reversal of 1311420001 is 1000241131.

It can be written as a sum of positive squares in 2 ways, for example, as 702515025 + 608904976 = 26505^2 + 24676^2 .

It is not a de Polignac number, because 1311420001 - 2⁷ = 1311419873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311420101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23800 + ... + 56473.

It is an arithmetic number, because the mean of its divisors is an integer number (119568123).

Almost surely, 2^1311420001 is an apocalyptic number.

It is an amenable number.

1311420001 is a deficient number, since it is larger than the sum of its proper divisors (123397475).

1311420001 is an equidigital number, since it uses as much as digits as its factorization.

1311420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80352 (or 80321 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1311420001 is about 36213.5333956796. The cubic root of 1311420001 is about 1094.5793929579.

Adding to 1311420001 its reverse (1000241131), we get a palindrome (2311661132).

The spelling of 1311420001 in words is "one billion, three hundred eleven million, four hundred twenty thousand, one".