1322312131 has 8 divisors (see below), whose sum is σ = 1511756640. Its totient is φ = 1133003328.

The previous prime is 1322312129. The next prime is 1322312141. The reversal of 1322312131 is 1312132231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322312131 - 2¹ = 1322312129 is a prime.

It is a super-2 number, since 2×1322312131² = 3497018743579522322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322312099 and 1322312108.

It is not an unprimeable number, because it can be changed into a prime (1322312141) 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, 12106 + ... + 52831.

It is an arithmetic number, because the mean of its divisors is an integer number (188969580).

Almost surely, 2^1322312131 is an apocalyptic number.

1322312131 is a deficient number, since it is larger than the sum of its proper divisors (189444509).

1322312131 is an equidigital number, since it uses as much as digits as its factorization.

1322312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67853.

The product of its digits is 216, while the sum is 19.

The square root of 1322312131 is about 36363.6099830586. The cubic root of 1322312131 is about 1097.6014212965.

Adding to 1322312131 its reverse (1312132231), we get a palindrome (2634444362).

The spelling of 1322312131 in words is "one billion, three hundred twenty-two million, three hundred twelve thousand, one hundred thirty-one".