3251431064 has 96 divisors (see below), whose sum is σ = 7450483680. Its totient is φ = 1323818496.

The previous prime is 3251431039. The next prime is 3251431091. The reversal of 3251431064 is 4601341523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1414364 + ... + 1416660.

It is an arithmetic number, because the mean of its divisors is an integer number (77609205).

Almost surely, 2^3251431064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3251431064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725241840).

3251431064 is an abundant number, since it is smaller than the sum of its proper divisors (4199052616).

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

3251431064 is a wasteful number, since it uses less digits than its factorization.

3251431064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3251431064 is about 57021.3211351684. The cubic root of 3251431064 is about 1481.4654136584.

Adding to 3251431064 its reverse (4601341523), we get a palindrome (7852772587).

The spelling of 3251431064 in words is "three billion, two hundred fifty-one million, four hundred thirty-one thousand, sixty-four".