1371001343 has 2 divisors, whose sum is σ = 1371001344. Its totient is φ = 1371001342.

The previous prime is 1371001339. The next prime is 1371001391. The reversal of 1371001343 is 3431001731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1371001343 - 2² = 1371001339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371001543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685500671 + 685500672.

It is an arithmetic number, because the mean of its divisors is an integer number (685500672).

Almost surely, 2^1371001343 is an apocalyptic number.

1371001343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371001343 is an equidigital number, since it uses as much as digits as its factorization.

1371001343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1371001343 is about 37027.0352985491. The cubic root of 1371001343 is about 1110.9110673371.

The spelling of 1371001343 in words is "one billion, three hundred seventy-one million, one thousand, three hundred forty-three".