1312002241 has 16 divisors (see below), whose sum is σ = 1454895360. Its totient is φ = 1173102480.

The previous prime is 1312002239. The next prime is 1312002247. The reversal of 1312002241 is 1422002131.

It is not a de Polignac number, because 1312002241 - 2¹ = 1312002239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312002247) 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 15 ways as a sum of consecutive naturals, for example, 750130 + ... + 751876.

It is an arithmetic number, because the mean of its divisors is an integer number (90930960).

Almost surely, 2^1312002241 is an apocalyptic number.

1312002241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312002241 is a deficient number, since it is larger than the sum of its proper divisors (142893119).

1312002241 is a wasteful number, since it uses less digits than its factorization.

1312002241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1312002241 is about 36221.5714871677. The cubic root of 1312002241 is about 1094.7413582606.

Adding to 1312002241 its reverse (1422002131), we get a palindrome (2734004372).

The spelling of 1312002241 in words is "one billion, three hundred twelve million, two thousand, two hundred forty-one".