213333031320 has 64 divisors (see below), whose sum is σ = 673683264000. Its totient is φ = 53894659968.

The previous prime is 213333031313. The next prime is 213333031343. The reversal of 213333031320 is 23130333312.

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 15 ways as a sum of consecutive naturals, for example, 46781280 + ... + 46785839.

It is an arithmetic number, because the mean of its divisors is an integer number (10526301000).

Almost surely, 2^213333031320 is an apocalyptic number.

213333031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213333031320 is an abundant number, since it is smaller than the sum of its proper divisors (460350232680).

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

213333031320 is a wasteful number, since it uses less digits than its factorization.

213333031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93567152 (or 93567148 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 213333031320 its reverse (23130333312), we get a palindrome (236463364632).

The spelling of 213333031320 in words is "two hundred thirteen billion, three hundred thirty-three million, thirty-one thousand, three hundred twenty".