3130440030 has 24 divisors (see below), whose sum is σ = 8139144312. Its totient is φ = 834783984.

The previous prime is 3130440023. The next prime is 3130440083. The reversal of 3130440030 is 300440313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3130439985 and 3130440012.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17391244 + ... + 17391423.

It is an arithmetic number, because the mean of its divisors is an integer number (339131013).

Almost surely, 2^3130440030 is an apocalyptic number.

3130440030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3130440030 is an abundant number, since it is smaller than the sum of its proper divisors (5008704282).

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

3130440030 is a wasteful number, since it uses less digits than its factorization.

3130440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782680 (or 34782677 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3130440030 is about 55950.3353877347. The cubic root of 3130440030 is about 1462.8567369959.

Adding to 3130440030 its reverse (300440313), we get a palindrome (3430880343).

The spelling of 3130440030 in words is "three billion, one hundred thirty million, four hundred forty thousand, thirty".