1310203253 has 2 divisors, whose sum is σ = 1310203254. Its totient is φ = 1310203252.

The previous prime is 1310203231. The next prime is 1310203309. The reversal of 1310203253 is 3523020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 998433604 + 311769649 = 31598^2 + 17657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310203253 - 2²⁴ = 1293426037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310206253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655101626 + 655101627.

It is an arithmetic number, because the mean of its divisors is an integer number (655101627).

Almost surely, 2^1310203253 is an apocalyptic number.

It is an amenable number.

1310203253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310203253 is an equidigital number, since it uses as much as digits as its factorization.

1310203253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1310203253 is about 36196.7298661081. The cubic root of 1310203253 is about 1094.2407678054.

Adding to 1310203253 its reverse (3523020131), we get a palindrome (4833223384).

The spelling of 1310203253 in words is "one billion, three hundred ten million, two hundred three thousand, two hundred fifty-three".