1310312141 has 2 divisors, whose sum is σ = 1310312142. Its totient is φ = 1310312140.

The previous prime is 1310312137. The next prime is 1310312149. The reversal of 1310312141 is 1412130131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1218708100 + 91604041 = 34910^2 + 9571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310312141 - 2² = 1310312137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310312149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655156070 + 655156071.

It is an arithmetic number, because the mean of its divisors is an integer number (655156071).

Almost surely, 2^1310312141 is an apocalyptic number.

It is an amenable number.

1310312141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310312141 is an equidigital number, since it uses as much as digits as its factorization.

1310312141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1310312141 is about 36198.2339486335. The cubic root of 1310312141 is about 1094.2710802494.

Adding to 1310312141 its reverse (1412130131), we get a palindrome (2722442272).

The spelling of 1310312141 in words is "one billion, three hundred ten million, three hundred twelve thousand, one hundred forty-one".