1201031343 has 6 divisors (see below), whose sum is σ = 1734823064. Its totient is φ = 800687556.

The previous prime is 1201031339. The next prime is 1201031371. The reversal of 1201031343 is 3431301021.

It is not a de Polignac number, because 1201031343 - 2² = 1201031339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201031303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66723955 + ... + 66723972.

Almost surely, 2^1201031343 is an apocalyptic number.

1201031343 is a deficient number, since it is larger than the sum of its proper divisors (533791721).

1201031343 is a wasteful number, since it uses less digits than its factorization.

1201031343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133447933 (or 133447930 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1201031343 is about 34655.8991082326. The cubic root of 1201031343 is about 1062.9629168631.

Adding to 1201031343 its reverse (3431301021), we get a palindrome (4632332364).

The spelling of 1201031343 in words is "one billion, two hundred one million, thirty-one thousand, three hundred forty-three".