1323033131 has 16 divisors (see below), whose sum is σ = 1520064000. Its totient is φ = 1128029760.

The previous prime is 1323033119. The next prime is 1323033139. The reversal of 1323033131 is 1313303231.

It is a cyclic number.

It is not a de Polignac number, because 1323033131 - 2⁶ = 1323033067 is a prime.

It is a super-2 number, since 2×1323033131² = 3500833331447326322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323033139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819490 + ... + 1820216.

It is an arithmetic number, because the mean of its divisors is an integer number (95004000).

Almost surely, 2^1323033131 is an apocalyptic number.

1323033131 is a deficient number, since it is larger than the sum of its proper divisors (197030869).

1323033131 is an equidigital number, since it uses as much as digits as its factorization.

1323033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1323033131 is about 36373.5223892325. The cubic root of 1323033131 is about 1097.8008766838.

Adding to 1323033131 its reverse (1313303231), we get a palindrome (2636336362).

The spelling of 1323033131 in words is "one billion, three hundred twenty-three million, thirty-three thousand, one hundred thirty-one".