1206340331 has 8 divisors (see below), whose sum is σ = 1401276384. Its totient is φ = 1017054720.

The previous prime is 1206340327. The next prime is 1206340337. The reversal of 1206340331 is 1330436021.

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 1206340331 - 2² = 1206340327 is a prime.

It is a super-2 number, since 2×1206340331² = 2910513988394379122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1206340297 and 1206340306.

It is not an unprimeable number, because it can be changed into a prime (1206340337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412150 + ... + 1413003.

It is an arithmetic number, because the mean of its divisors is an integer number (175159548).

Almost surely, 2^1206340331 is an apocalyptic number.

1206340331 is a deficient number, since it is larger than the sum of its proper divisors (194936053).

1206340331 is an equidigital number, since it uses as much as digits as its factorization.

1206340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825221.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1206340331 is about 34732.4103828110. The cubic root of 1206340331 is about 1064.5268401503.

Adding to 1206340331 its reverse (1330436021), we get a palindrome (2536776352).

The spelling of 1206340331 in words is "one billion, two hundred six million, three hundred forty thousand, three hundred thirty-one".