3213131311320 has 256 divisors, whose sum is σ = 11603024409600. Its totient is φ = 695370147840.

The previous prime is 3213131311297. The next prime is 3213131311391. The reversal of 3213131311320 is 231131313123.

3213131311320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27728542 + ... + 27844178.

It is an arithmetic number, because the mean of its divisors is an integer number (45324314100).

Almost surely, 2^{3213131311320} is an apocalyptic number.

3213131311320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213131311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5801512204800).

3213131311320 is an abundant number, since it is smaller than the sum of its proper divisors (8389893098280).

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

3213131311320 is a wasteful number, since it uses less digits than its factorization.

3213131311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117418 (or 117414 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 3213131311320 its reverse (231131313123), we get a palindrome (3444262624443).

The spelling of 3213131311320 in words is "three trillion, two hundred thirteen billion, one hundred thirty-one million, three hundred eleven thousand, three hundred twenty".