3151231232 has 36 divisors (see below), whose sum is σ = 6306044556. Its totient is φ = 1571635200.

The previous prime is 3151231217. The next prime is 3151231249. The reversal of 3151231232 is 2321321513.

It can be written as a sum of positive squares in 2 ways, for example, as 1888423936 + 1262807296 = 43456^2 + 35536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3151231198 and 3151231207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87308 + ... + 118004.

Almost surely, 2^3151231232 is an apocalyptic number.

3151231232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3151231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3153022278).

3151231232 is an abundant number, since it is smaller than the sum of its proper divisors (3154813324).

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

3151231232 is an equidigital number, since it uses as much as digits as its factorization.

3151231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31114 (or 31100 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 3151231232 is about 56135.8284164401. The cubic root of 3151231232 is about 1466.0881744285.

Adding to 3151231232 its reverse (2321321513), we get a palindrome (5472552745).

The spelling of 3151231232 in words is "three billion, one hundred fifty-one million, two hundred thirty-one thousand, two hundred thirty-two".