213122331300 has 72 divisors (see below), whose sum is σ = 617027820192. Its totient is φ = 56796320000.

The previous prime is 213122331283. The next prime is 213122331347. The reversal of 213122331300 is 3133221312.

It is a super-2 number, since 2×213122331300² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245200 + ... + 697400.

It is an arithmetic number, because the mean of its divisors is an integer number (8569830836).

Almost surely, 2^213122331300 is an apocalyptic number.

213122331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213122331300 is an abundant number, since it is smaller than the sum of its proper divisors (403905488892).

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

213122331300 is a wasteful number, since it uses less digits than its factorization.

213122331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453789 (or 453782 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213122331300 its reverse (3133221312), we get a palindrome (216255552612).

The spelling of 213122331300 in words is "two hundred thirteen billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred".