3135213020 has 48 divisors (see below), whose sum is σ = 6736238208. Its totient is φ = 1225175040.

The previous prime is 3135213017. The next prime is 3135213041. The reversal of 3135213020 is 203125313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3135212983 and 3135213001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573500 + ... + 578940.

It is an arithmetic number, because the mean of its divisors is an integer number (140338296).

Almost surely, 2^3135213020 is an apocalyptic number.

It is an amenable number.

3135213020 is an abundant number, since it is smaller than the sum of its proper divisors (3601025188).

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

3135213020 is a wasteful number, since it uses less digits than its factorization.

3135213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6108 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3135213020 is about 55992.9729519696. The cubic root of 3135213020 is about 1463.5998332721.

Adding to 3135213020 its reverse (203125313), we get a palindrome (3338338333).

The spelling of 3135213020 in words is "three billion, one hundred thirty-five million, two hundred thirteen thousand, twenty".