1301313551 has 2 divisors, whose sum is σ = 1301313552. Its totient is φ = 1301313550.

The previous prime is 1301313539. The next prime is 1301313577. The reversal of 1301313551 is 1553131031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301313551 - 2²⁶ = 1234204687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301313511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650656775 + 650656776.

It is an arithmetic number, because the mean of its divisors is an integer number (650656776).

Almost surely, 2^1301313551 is an apocalyptic number.

1301313551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301313551 is an equidigital number, since it uses as much as digits as its factorization.

1301313551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1301313551 is about 36073.7238305113. The cubic root of 1301313551 is about 1091.7603491216.

Adding to 1301313551 its reverse (1553131031), we get a palindrome (2854444582).

The spelling of 1301313551 in words is "one billion, three hundred one million, three hundred thirteen thousand, five hundred fifty-one".