3211320245 has 64 divisors (see below), whose sum is σ = 4720066560. Its totient is φ = 2048716800.

The previous prime is 3211320241. The next prime is 3211320253. The reversal of 3211320245 is 5420231123.

It is not a de Polignac number, because 3211320245 - 2² = 3211320241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3211320245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211320241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16638869 + ... + 16639061.

It is an arithmetic number, because the mean of its divisors is an integer number (73751040).

Almost surely, 2^3211320245 is an apocalyptic number.

3211320245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3211320245 is a deficient number, since it is larger than the sum of its proper divisors (1508746315).

3211320245 is a wasteful number, since it uses less digits than its factorization.

3211320245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3211320245 is about 56668.5119356420. The cubic root of 3211320245 is about 1475.3482268886.

Adding to 3211320245 its reverse (5420231123), we get a palindrome (8631551368).

The spelling of 3211320245 in words is "three billion, two hundred eleven million, three hundred twenty thousand, two hundred forty-five".