1343131073 has 2 divisors, whose sum is σ = 1343131074. Its totient is φ = 1343131072.

The previous prime is 1343131003. The next prime is 1343131081. The reversal of 1343131073 is 3701313431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032208384 + 310922689 = 32128^2 + 17633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343131073 - 2¹² = 1343126977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1343131003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671565536 + 671565537.

It is an arithmetic number, because the mean of its divisors is an integer number (671565537).

Almost surely, 2^1343131073 is an apocalyptic number.

It is an amenable number.

1343131073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343131073 is an equidigital number, since it uses as much as digits as its factorization.

1343131073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1343131073 is about 36648.7526800026. The cubic root of 1343131073 is about 1103.3317915315.

The spelling of 1343131073 in words is "one billion, three hundred forty-three million, one hundred thirty-one thousand, seventy-three".