3251220130 has 8 divisors (see below), whose sum is σ = 5852196252. Its totient is φ = 1300488048.

The previous prime is 3251220127. The next prime is 3251220149. The reversal of 3251220130 is 310221523.

It can be written as a sum of positive squares in 2 ways, for example, as 2651117121 + 600103009 = 51489^2 + 24497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3251220098 and 3251220107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162560997 + ... + 162561016.

Almost surely, 2^3251220130 is an apocalyptic number.

3251220130 is a deficient number, since it is larger than the sum of its proper divisors (2600976122).

3251220130 is a wasteful number, since it uses less digits than its factorization.

3251220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325122020.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3251220130 is about 57019.4714987784. The cubic root of 3251220130 is about 1481.4333766694.

Adding to 3251220130 its reverse (310221523), we get a palindrome (3561441653).

The spelling of 3251220130 in words is "three billion, two hundred fifty-one million, two hundred twenty thousand, one hundred thirty".