1343046681 has 12 divisors (see below), whose sum is σ = 1944207252. Its totient is φ = 893402496.

The previous prime is 1343046671. The next prime is 1343046709. The reversal of 1343046681 is 1866403431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1016015625 + 327031056 = 31875^2 + 18084^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1343046681 is a prime.

It is a super-2 number, since 2×1343046681² = 3607548774690231522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1343046611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159156 + ... + 167381.

It is an arithmetic number, because the mean of its divisors is an integer number (162017271).

Almost surely, 2^1343046681 is an apocalyptic number.

It is an amenable number.

1343046681 is a deficient number, since it is larger than the sum of its proper divisors (601160571).

1343046681 is a wasteful number, since it uses less digits than its factorization.

1343046681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327000 (or 326997 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1343046681 is about 36647.6012994029. The cubic root of 1343046681 is about 1103.3086827601.

The spelling of 1343046681 in words is "one billion, three hundred forty-three million, forty-six thousand, six hundred eighty-one".