3133450520 has 32 divisors (see below), whose sum is σ = 7200273600. Its totient is φ = 1226711808.

The previous prime is 3133450511. The next prime is 3133450547. The reversal of 3133450520 is 250543313.

It is a super-2 number, since 2×3133450520² = 19637024322576540800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3133450520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831485 + ... + 835244.

It is an arithmetic number, because the mean of its divisors is an integer number (225008550).

Almost surely, 2^3133450520 is an apocalyptic number.

It is an amenable number.

3133450520 is an abundant number, since it is smaller than the sum of its proper divisors (4066823080).

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

3133450520 is a wasteful number, since it uses less digits than its factorization.

3133450520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666787 (or 1666783 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3133450520 is about 55977.2321573691. The cubic root of 3133450520 is about 1463.3255214231.

Adding to 3133450520 its reverse (250543313), we get a palindrome (3383993833).

The spelling of 3133450520 in words is "three billion, one hundred thirty-three million, four hundred fifty thousand, five hundred twenty".