1322331131 has 4 divisors (see below), whose sum is σ = 1442543064. Its totient is φ = 1202119200.

The previous prime is 1322331113. The next prime is 1322331137. The reversal of 1322331131 is 1311332231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311332231 = 11 ⋅119212021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322331131 is a prime.

It is a super-2 number, since 2×1322331131² = 3497119240023478322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322331137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60105950 + ... + 60105971.

It is an arithmetic number, because the mean of its divisors is an integer number (360635766).

Almost surely, 2^1322331131 is an apocalyptic number.

1322331131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322331131 is a deficient number, since it is larger than the sum of its proper divisors (120211933).

1322331131 is a wasteful number, since it uses less digits than its factorization.

1322331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120211932.

The product of its digits is 324, while the sum is 20.

The square root of 1322331131 is about 36363.8712323097. The cubic root of 1322331131 is about 1097.6066783324.

Adding to 1322331131 its reverse (1311332231), we get a palindrome (2633663362).

The spelling of 1322331131 in words is "one billion, three hundred twenty-two million, three hundred thirty-one thousand, one hundred thirty-one".