3130780220 has 12 divisors (see below), whose sum is σ = 6574638504. Its totient is φ = 1252312080.

The previous prime is 3130780201. The next prime is 3130780223. The reversal of 3130780220 is 220870313.

It is a self number, because there is not a number n which added to its sum of digits gives 3130780220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130780223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78269486 + ... + 78269525.

It is an arithmetic number, because the mean of its divisors is an integer number (547886542).

Almost surely, 2^3130780220 is an apocalyptic number.

It is an amenable number.

3130780220 is an abundant number, since it is smaller than the sum of its proper divisors (3443858284).

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

3130780220 is a wasteful number, since it uses less digits than its factorization.

3130780220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156539020 (or 156539018 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3130780220 is about 55953.3754120339. The cubic root of 3130780220 is about 1462.9097254153.

The spelling of 3130780220 in words is "three billion, one hundred thirty million, seven hundred eighty thousand, two hundred twenty".