3251224312 has 64 divisors (see below), whose sum is σ = 7087057920. Its totient is φ = 1369450368.

The previous prime is 3251224309. The next prime is 3251224343. The reversal of 3251224312 is 2134221523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449393 + ... + 2450719.

It is an arithmetic number, because the mean of its divisors is an integer number (110735280).

Almost surely, 2^3251224312 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 3251224312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3543528960).

3251224312 is an abundant number, since it is smaller than the sum of its proper divisors (3835833608).

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

3251224312 is a wasteful number, since it uses less digits than its factorization.

3251224312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2056 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 3251224312 is about 57019.5081704499. The cubic root of 3251224312 is about 1481.4340118516.

Adding to 3251224312 its reverse (2134221523), we get a palindrome (5385445835).

The spelling of 3251224312 in words is "three billion, two hundred fifty-one million, two hundred twenty-four thousand, three hundred twelve".