1323040031 has 2 divisors, whose sum is σ = 1323040032. Its totient is φ = 1323040030.

The previous prime is 1323040027. The next prime is 1323040067. The reversal of 1323040031 is 1300403231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323040031 - 2² = 1323040027 is a prime.

It is a super-2 number, since 2×1323040031² = 3500869847256961922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323039991 and 1323040009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323040021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661520015 + 661520016.

It is an arithmetic number, because the mean of its divisors is an integer number (661520016).

Almost surely, 2^1323040031 is an apocalyptic number.

1323040031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323040031 is an equidigital number, since it uses as much as digits as its factorization.

1323040031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1323040031 is about 36373.6172383226. The cubic root of 1323040031 is about 1097.8027851301.

Adding to 1323040031 its reverse (1300403231), we get a palindrome (2623443262).

The spelling of 1323040031 in words is "one billion, three hundred twenty-three million, forty thousand, thirty-one".