3133111020 has 192 divisors, whose sum is σ = 10013498880. Its totient is φ = 725594112.

The previous prime is 3133110979. The next prime is 3133111081. The reversal of 3133111020 is 201113313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2415012 + ... + 2416308.

It is an arithmetic number, because the mean of its divisors is an integer number (52153640).

Almost surely, 2^3133111020 is an apocalyptic number.

3133111020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3133111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5006749440).

3133111020 is an abundant number, since it is smaller than the sum of its proper divisors (6880387860).

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

3133111020 is a wasteful number, since it uses less digits than its factorization.

3133111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3133111020 is about 55974.1995923122. The cubic root of 3133111020 is about 1463.2726705319.

Adding to 3133111020 its reverse (201113313), we get a palindrome (3334224333).

The spelling of 3133111020 in words is "three billion, one hundred thirty-three million, one hundred eleven thousand, twenty".