1300131311 has 2 divisors, whose sum is σ = 1300131312. Its totient is φ = 1300131310.

The previous prime is 1300131307. The next prime is 1300131319. The reversal of 1300131311 is 1131310031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300131311 - 2² = 1300131307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300131319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650065655 + 650065656.

It is an arithmetic number, because the mean of its divisors is an integer number (650065656).

Almost surely, 2^1300131311 is an apocalyptic number.

1300131311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300131311 is an equidigital number, since it uses as much as digits as its factorization.

1300131311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1300131311 is about 36057.3336645959. Note that the first 3 decimals coincide. The cubic root of 1300131311 is about 1091.4296284626.

Adding to 1300131311 its reverse (1131310031), we get a palindrome (2431441342).

The spelling of 1300131311 in words is "one billion, three hundred million, one hundred thirty-one thousand, three hundred eleven".