1310011513 has 2 divisors, whose sum is σ = 1310011514. Its totient is φ = 1310011512.

The previous prime is 1310011489. The next prime is 1310011531. The reversal of 1310011513 is 3151100131.

Together with next prime (1310011531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018694889 + 291316624 = 31917^2 + 17068^2 .

It is an emirp because it is prime and its reverse (3151100131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310011513 - 2¹⁷ = 1309880441 is a prime.

It is a super-2 number, since 2×1310011513² = 3432260328385098338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1310011543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655005756 + 655005757.

It is an arithmetic number, because the mean of its divisors is an integer number (655005757).

Almost surely, 2^1310011513 is an apocalyptic number.

It is an amenable number.

1310011513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310011513 is an equidigital number, since it uses as much as digits as its factorization.

1310011513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1310011513 is about 36194.0811873986. The cubic root of 1310011513 is about 1094.1873867848.

Adding to 1310011513 its reverse (3151100131), we get a palindrome (4461111644).

The spelling of 1310011513 in words is "one billion, three hundred ten million, eleven thousand, five hundred thirteen".