1312943119 has 2 divisors, whose sum is σ = 1312943120. Its totient is φ = 1312943118.

The previous prime is 1312943101. The next prime is 1312943131. The reversal of 1312943119 is 9113492131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312943119 - 2⁵ = 1312943087 is a prime.

It is a super-2 number, since 2×1312943119² = 3447639267458896322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312949119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656471559 + 656471560.

It is an arithmetic number, because the mean of its divisors is an integer number (656471560).

Almost surely, 2^1312943119 is an apocalyptic number.

1312943119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312943119 is an equidigital number, since it uses as much as digits as its factorization.

1312943119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 34.

The square root of 1312943119 is about 36234.5569725918. The cubic root of 1312943119 is about 1095.0029868631.

The spelling of 1312943119 in words is "one billion, three hundred twelve million, nine hundred forty-three thousand, one hundred nineteen".