1313444351 has 2 divisors, whose sum is σ = 1313444352. Its totient is φ = 1313444350.

The previous prime is 1313444329. The next prime is 1313444359. The reversal of 1313444351 is 1534443131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313444351 is a prime.

It is a super-2 number, since 2×1313444351² = 3450272126347622402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313444359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656722175 + 656722176.

It is an arithmetic number, because the mean of its divisors is an integer number (656722176).

Almost surely, 2^1313444351 is an apocalyptic number.

1313444351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313444351 is an equidigital number, since it uses as much as digits as its factorization.

1313444351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 1313444351 is about 36241.4728039576. The cubic root of 1313444351 is about 1095.1423127030.

Adding to 1313444351 its reverse (1534443131), we get a palindrome (2847887482).

The spelling of 1313444351 in words is "one billion, three hundred thirteen million, four hundred forty-four thousand, three hundred fifty-one".