1311027953 has 2 divisors, whose sum is σ = 1311027954. Its totient is φ = 1311027952.

The previous prime is 1311027943. The next prime is 1311027961. The reversal of 1311027953 is 3597201131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1299386209 + 11641744 = 36047^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311027953 - 2¹⁶ = 1310962417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311027943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655513976 + 655513977.

It is an arithmetic number, because the mean of its divisors is an integer number (655513977).

Almost surely, 2^1311027953 is an apocalyptic number.

It is an amenable number.

1311027953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311027953 is an equidigital number, since it uses as much as digits as its factorization.

1311027953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1311027953 is about 36208.1199870968. The cubic root of 1311027953 is about 1094.4703075312.

The spelling of 1311027953 in words is "one billion, three hundred eleven million, twenty-seven thousand, nine hundred fifty-three".