1322131230 has 96 divisors (see below), whose sum is σ = 4008888000. Its totient is φ = 302194368.

The previous prime is 1322131193. The next prime is 1322131231. The reversal of 1322131230 is 321312231.

1322131230 is a `hidden beast` number, since 1 + 322 + 1 + 312 + 30 = 666.

It is a super-3 number, since 3×1322131230³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322131231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9456 + ... + 52284.

It is an arithmetic number, because the mean of its divisors is an integer number (41759250).

Almost surely, 2^1322131230 is an apocalyptic number.

1322131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004444000).

1322131230 is an abundant number, since it is smaller than the sum of its proper divisors (2686756770).

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

1322131230 is a wasteful number, since it uses less digits than its factorization.

1322131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42863 (or 42846 counting only the distinct ones).

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

The square root of 1322131230 is about 36361.1225074254. The cubic root of 1322131230 is about 1097.5513659816.

Adding to 1322131230 its reverse (321312231), we get a palindrome (1643443461).

The spelling of 1322131230 in words is "one billion, three hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty".