1323130031120 has 40 divisors (see below), whose sum is σ = 3147818663616. Its totient is φ = 516943824768.

The previous prime is 1323130031071. The next prime is 1323130031131. The reversal of 1323130031120 is 211300313231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1323130031120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1323130031092 and 1323130031101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192311972 + ... + 192318851.

Almost surely, 2^{1323130031120} is an apocalyptic number.

1323130031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323130031120 is an abundant number, since it is smaller than the sum of its proper divisors (1824688632496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323130031120 is a wasteful number, since it uses less digits than its factorization.

1323130031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384630879 (or 384630873 counting only the distinct ones).

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

Adding to 1323130031120 its reverse (211300313231), we get a palindrome (1534430344351).

The spelling of 1323130031120 in words is "one trillion, three hundred twenty-three billion, one hundred thirty million, thirty-one thousand, one hundred twenty".