3125344530 has 64 divisors (see below), whose sum is σ = 9351687168. Its totient is φ = 649421760.

The previous prime is 3125344513. The next prime is 3125344543. The reversal of 3125344530 is 354435213.

It is a super-3 number, since 3×3125344530³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674172 + ... + 678791.

It is an arithmetic number, because the mean of its divisors is an integer number (146120112).

Almost surely, 2^3125344530 is an apocalyptic number.

3125344530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3125344530 is an abundant number, since it is smaller than the sum of its proper divisors (6226342638).

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

3125344530 is a wasteful number, since it uses less digits than its factorization.

3125344530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352991.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 3125344530 is about 55904.7809225651. The cubic root of 3125344530 is about 1462.0625957630.

Adding to 3125344530 its reverse (354435213), we get a palindrome (3479779743).

The spelling of 3125344530 in words is "three billion, one hundred twenty-five million, three hundred forty-four thousand, five hundred thirty".