1310011643 has 2 divisors, whose sum is σ = 1310011644. Its totient is φ = 1310011642.

The previous prime is 1310011631. The next prime is 1310011649. The reversal of 1310011643 is 3461100131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310011643 - 2⁶ = 1310011579 is a prime.

It is a super-2 number, since 2×1310011643² = 3432261009591118898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1310011649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655005821 + 655005822.

It is an arithmetic number, because the mean of its divisors is an integer number (655005822).

Almost surely, 2^1310011643 is an apocalyptic number.

1310011643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310011643 is an equidigital number, since it uses as much as digits as its factorization.

1310011643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1310011643 is about 36194.0829832723. The cubic root of 1310011643 is about 1094.1874229790.

Adding to 1310011643 its reverse (3461100131), we get a palindrome (4771111774).

The spelling of 1310011643 in words is "one billion, three hundred ten million, eleven thousand, six hundred forty-three".