1320231331230 has 32 divisors (see below), whose sum is σ = 3621205937664. Its totient is φ = 301767161376.

The previous prime is 1320231331219. The next prime is 1320231331247. The reversal of 1320231331230 is 321331320231.

It is a super-2 number, since 2×1320231331230² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320231331230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3143407722 + ... + 3143408141.

It is an arithmetic number, because the mean of its divisors is an integer number (113162685552).

Almost surely, 2^{1320231331230} is an apocalyptic number.

1320231331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320231331230 is an abundant number, since it is smaller than the sum of its proper divisors (2300974606434).

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

1320231331230 is a wasteful number, since it uses less digits than its factorization.

1320231331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286815880.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1320231331230 its reverse (321331320231), we get a palindrome (1641562651461).

The spelling of 1320231331230 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, three hundred thirty-one thousand, two hundred thirty".