3131423330 has 64 divisors (see below), whose sum is σ = 6613539840. Its totient is φ = 1045384704.

The previous prime is 3131423329. The next prime is 3131423369. The reversal of 3131423330 is 333241313.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3131423296 and 3131423305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399812 + ... + 407568.

It is an arithmetic number, because the mean of its divisors is an integer number (103336560).

Almost surely, 2^3131423330 is an apocalyptic number.

3131423330 is an abundant number, since it is smaller than the sum of its proper divisors (3482116510).

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

3131423330 is a wasteful number, since it uses less digits than its factorization.

3131423330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 3131423330 is about 55959.1219552273. The cubic root of 3131423330 is about 1463.0098865462.

Adding to 3131423330 its reverse (333241313), we get a palindrome (3464664643).

The spelling of 3131423330 in words is "three billion, one hundred thirty-one million, four hundred twenty-three thousand, three hundred thirty".