3133521450 has 72 divisors (see below), whose sum is σ = 8730566208. Its totient is φ = 835602480.

The previous prime is 3133521421. The next prime is 3133521451. The reversal of 3133521450 is 541253313.

3133521450 is a `hidden beast` number, since 3 + 133 + 521 + 4 + 5 + 0 = 666.

It is a super-2 number, since 2×3133521450² = 19637913355220205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3133521451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116802 + ... + 141101.

It is an arithmetic number, because the mean of its divisors is an integer number (121257864).

Almost surely, 2^3133521450 is an apocalyptic number.

3133521450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3133521450 is an abundant number, since it is smaller than the sum of its proper divisors (5597044758).

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

3133521450 is a wasteful number, since it uses less digits than its factorization.

3133521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257930 (or 257913 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3133521450 is about 55977.8657149413. The cubic root of 3133521450 is about 1463.3365628076.

Adding to 3133521450 its reverse (541253313), we get a palindrome (3674774763).

The spelling of 3133521450 in words is "three billion, one hundred thirty-three million, five hundred twenty-one thousand, four hundred fifty".