3213233545 has 32 divisors (see below), whose sum is σ = 4210421760. Its totient is φ = 2345112000.

The previous prime is 3213233539. The next prime is 3213233549. The reversal of 3213233545 is 5453323123.

3213233545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3213233545 - 2²¹ = 3211136393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (3213233549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618810 + ... + 623980.

It is an arithmetic number, because the mean of its divisors is an integer number (131575680).

Almost surely, 2^3213233545 is an apocalyptic number.

It is an amenable number.

3213233545 is a deficient number, since it is larger than the sum of its proper divisors (997188215).

3213233545 is a wasteful number, since it uses less digits than its factorization.

3213233545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437.

The product of its digits is 32400, while the sum is 31.

The square root of 3213233545 is about 56685.3909309974. The cubic root of 3213233545 is about 1475.6411721706.

Adding to 3213233545 its reverse (5453323123), we get a palindrome (8666556668).

The spelling of 3213233545 in words is "three billion, two hundred thirteen million, two hundred thirty-three thousand, five hundred forty-five".