3156131226 has 16 divisors (see below), whose sum is σ = 6683572224. Its totient is φ = 990158784.

The previous prime is 3156131207. The next prime is 3156131239. The reversal of 3156131226 is 6221316513.

It is a super-2 number, since 2×3156131226² = 19922328631464526152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3156131193 and 3156131202.

It is an unprimeable number.

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, 15471130 + ... + 15471333.

It is an arithmetic number, because the mean of its divisors is an integer number (417723264).

Almost surely, 2^3156131226 is an apocalyptic number.

3156131226 is an abundant number, since it is smaller than the sum of its proper divisors (3527440998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3156131226 is a wasteful number, since it uses less digits than its factorization.

3156131226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30942485.

The product of its digits is 6480, while the sum is 30.

The square root of 3156131226 is about 56179.4555509396. The cubic root of 3156131226 is about 1466.8476768216.

Adding to 3156131226 its reverse (6221316513), we get a palindrome (9377447739).

The spelling of 3156131226 in words is "three billion, one hundred fifty-six million, one hundred thirty-one thousand, two hundred twenty-six".