1343631161 has 8 divisors (see below), whose sum is σ = 1391342400. Its totient is φ = 1296011920.

The previous prime is 1343631137. The next prime is 1343631173. The reversal of 1343631161 is 1611363431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343631161 - 2⁶ = 1343631097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1343634161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7430 + ... + 52368.

It is an arithmetic number, because the mean of its divisors is an integer number (173917800).

Almost surely, 2^1343631161 is an apocalyptic number.

It is an amenable number.

1343631161 is a deficient number, since it is larger than the sum of its proper divisors (47711239).

1343631161 is a wasteful number, since it uses less digits than its factorization.

1343631161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45999.

The product of its digits is 3888, while the sum is 29.

The square root of 1343631161 is about 36655.5747601917. The cubic root of 1343631161 is about 1103.4687090508.

Adding to 1343631161 its reverse (1611363431), we get a palindrome (2954994592).

The spelling of 1343631161 in words is "one billion, three hundred forty-three million, six hundred thirty-one thousand, one hundred sixty-one".