1323220330031 has 8 divisors (see below), whose sum is σ = 1381518350304. Its totient is φ = 1264986201600.

The previous prime is 1323220330027. The next prime is 1323220330037. The reversal of 1323220330031 is 1300330223231.

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 1323220330031 - 2² = 1323220330027 is a prime.

It is a super-2 number, since 2×1323220330031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323220329979 and 1323220330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323220330037) 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, 15930626 + ... + 16013471.

It is an arithmetic number, because the mean of its divisors is an integer number (172689793788).

Almost surely, 2^{1323220330031} is an apocalyptic number.

1323220330031 is a deficient number, since it is larger than the sum of its proper divisors (58298020273).

1323220330031 is a wasteful number, since it uses less digits than its factorization.

1323220330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31945921.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1323220330031 its reverse (1300330223231), we get a palindrome (2623550553262).

The spelling of 1323220330031 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, three hundred thirty thousand, thirty-one".