3130722432 has 96 divisors (see below), whose sum is σ = 9038453580. Its totient is φ = 1040160768.

The previous prime is 3130722407. The next prime is 3130722443. The reversal of 3130722432 is 2342270313.

It can be written as a sum of positive squares in 2 ways, for example, as 2734871616 + 395850816 = 52296^2 + 19896^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 3130722396 and 3130722405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360898 + ... + 369470.

Almost surely, 2^3130722432 is an apocalyptic number.

3130722432 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 3130722432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4519226790).

3130722432 is an abundant number, since it is smaller than the sum of its proper divisors (5907731148).

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

3130722432 is a wasteful number, since it uses less digits than its factorization.

3130722432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8910 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 3130722432 is about 55952.8590154248. The cubic root of 3130722432 is about 1462.9007245549.

Adding to 3130722432 its reverse (2342270313), we get a palindrome (5472992745).

The spelling of 3130722432 in words is "three billion, one hundred thirty million, seven hundred twenty-two thousand, four hundred thirty-two".