1323113031 has 6 divisors (see below), whose sum is σ = 1911163280. Its totient is φ = 882075348.

The previous prime is 1323113021. The next prime is 1323113063. The reversal of 1323113031 is 1303113231.

It is a happy number.

It is not a de Polignac number, because 1323113031 - 2¹⁸ = 1322850887 is a prime.

It is a super-2 number, since 2×1323113031² = 3501256185604013922, 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 = 1323112995 and 1323113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73506271 + ... + 73506288.

Almost surely, 2^1323113031 is an apocalyptic number.

1323113031 is a deficient number, since it is larger than the sum of its proper divisors (588050249).

1323113031 is a wasteful number, since it uses less digits than its factorization.

1323113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147012565 (or 147012562 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1323113031 is about 36374.6206990533. The cubic root of 1323113031 is about 1097.8229755318.

Adding to 1323113031 its reverse (1303113231), we get a palindrome (2626226262).

It can be divided in two parts, 13231 and 13031, that added together give a palindrome (26262).

The spelling of 1323113031 in words is "one billion, three hundred twenty-three million, one hundred thirteen thousand, thirty-one".