3211000145 has 8 divisors (see below), whose sum is σ = 3854183040. Its totient is φ = 2568144880.

The previous prime is 3211000141. The next prime is 3211000151. The reversal of 3211000145 is 5410001123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3211000145 - 2² = 3211000141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3211000141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59801 + ... + 99990.

It is an arithmetic number, because the mean of its divisors is an integer number (481772880).

Almost surely, 2^3211000145 is an apocalyptic number.

It is an amenable number.

3211000145 is a deficient number, since it is larger than the sum of its proper divisors (643182895).

3211000145 is a wasteful number, since it uses less digits than its factorization.

3211000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163815.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 3211000145 is about 56665.6875454626. The cubic root of 3211000145 is about 1475.2992050301.

Adding to 3211000145 its reverse (5410001123), we get a palindrome (8621001268).

The spelling of 3211000145 in words is "three billion, two hundred eleven million, one hundred forty-five", and thus it is an aban number.