3212311320 has 48 divisors (see below), whose sum is σ = 10440012960. Its totient is φ = 856616256.

The previous prime is 3212311283. The next prime is 3212311331. The reversal of 3212311320 is 231132123.

3212311320 is a `hidden beast` number, since 32 + 1 + 2 + 311 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3212311293 and 3212311302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4461184 + ... + 4461903.

It is an arithmetic number, because the mean of its divisors is an integer number (217500270).

Almost surely, 2^3212311320 is an apocalyptic number.

3212311320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3212311320 is an abundant number, since it is smaller than the sum of its proper divisors (7227701640).

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

3212311320 is a wasteful number, since it uses less digits than its factorization.

3212311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923104 (or 8923097 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3212311320 is about 56677.2557557262. The cubic root of 3212311320 is about 1475.4999848614.

Adding to 3212311320 its reverse (231132123), we get a palindrome (3443443443).

The spelling of 3212311320 in words is "three billion, two hundred twelve million, three hundred eleven thousand, three hundred twenty".