1312510241 has 4 divisors (see below), whose sum is σ = 1500011712. Its totient is φ = 1125008772.

The previous prime is 1312510229. The next prime is 1312510261. The reversal of 1312510241 is 1420152131.

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.

It is a cyclic number.

It is not a de Polignac number, because 1312510241 - 2¹⁸ = 1312248097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312510261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93750725 + ... + 93750738.

It is an arithmetic number, because the mean of its divisors is an integer number (375002928).

Almost surely, 2^1312510241 is an apocalyptic number.

It is an amenable number.

1312510241 is a deficient number, since it is larger than the sum of its proper divisors (187501471).

1312510241 is an equidigital number, since it uses as much as digits as its factorization.

1312510241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187501470.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1312510241 is about 36228.5832044258. The cubic root of 1312510241 is about 1094.8826326252.

Adding to 1312510241 its reverse (1420152131), we get a palindrome (2732662372).

The spelling of 1312510241 in words is "one billion, three hundred twelve million, five hundred ten thousand, two hundred forty-one".