1322131330 has 16 divisors (see below), whose sum is σ = 2562900984. Its totient is φ = 488171520.

The previous prime is 1322131313. The next prime is 1322131331. The reversal of 1322131330 is 331312231.

It can be written as a sum of positive squares in 4 ways, for example, as 462293001 + 859838329 = 21501^2 + 29323^2 .

It is a super-3 number, since 3×1322131330³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322131298 and 1322131307.

It is not an unprimeable number, because it can be changed into a prime (1322131331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084991 + ... + 5085250.

Almost surely, 2^1322131330 is an apocalyptic number.

1322131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322131330 is a deficient number, since it is larger than the sum of its proper divisors (1240769654).

1322131330 is a wasteful number, since it uses less digits than its factorization.

1322131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170261.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1322131330 is about 36361.1238825205. The cubic root of 1322131330 is about 1097.5513936529.

Adding to 1322131330 its reverse (331312231), we get a palindrome (1653443561).

It can be divided in two parts, 13221 and 31330, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 1322131330 in words is "one billion, three hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty".