3151313020 has 48 divisors (see below), whose sum is σ = 6981559200. Its totient is φ = 1191525120.

The previous prime is 3151313017. The next prime is 3151313021. The reversal of 3151313020 is 203131513.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3151313021) 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 15 ways as a sum of consecutive naturals, for example, 166186 + ... + 184174.

It is an arithmetic number, because the mean of its divisors is an integer number (145449150).

Almost surely, 2^3151313020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3151313020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3490779600).

3151313020 is an abundant number, since it is smaller than the sum of its proper divisors (3830246180).

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

3151313020 is a wasteful number, since it uses less digits than its factorization.

3151313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18478 (or 18476 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 3151313020 is about 56136.5568947722. The cubic root of 3151313020 is about 1466.1008580827.

Adding to 3151313020 its reverse (203131513), we get a palindrome (3354444533).

The spelling of 3151313020 in words is "three billion, one hundred fifty-one million, three hundred thirteen thousand, twenty".