3156340203 has 20 divisors (see below), whose sum is σ = 4723559280. Its totient is φ = 2100418992.

The previous prime is 3156340189. The next prime is 3156340279. The reversal of 3156340203 is 3020436513.

It is a happy number.

3156340203 is a `hidden beast` number, since 3 + 1 + 5 + 634 + 0 + 20 + 3 = 666.

It is not a de Polignac number, because 3156340203 - 2⁵ = 3156340171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3156340303) 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 19 ways as a sum of consecutive naturals, for example, 10138 + ... + 80096.

It is an arithmetic number, because the mean of its divisors is an integer number (236177964).

Almost surely, 2^3156340203 is an apocalyptic number.

3156340203 is a deficient number, since it is larger than the sum of its proper divisors (1567219077).

3156340203 is an equidigital number, since it uses as much as digits as its factorization.

3156340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70528 (or 70519 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3156340203 is about 56181.3154260382. The cubic root of 3156340203 is about 1466.8800509150.

Adding to 3156340203 its reverse (3020436513), we get a palindrome (6176776716).

The spelling of 3156340203 in words is "three billion, one hundred fifty-six million, three hundred forty thousand, two hundred three".