1341231320 has 192 divisors, whose sum is σ = 3778086240. Its totient is φ = 423321600.

The previous prime is 1341231313. The next prime is 1341231329. The reversal of 1341231320 is 231321431.

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 = 1341231292 and 1341231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341231329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1263590 + ... + 1264650.

Almost surely, 2^1341231320 is an apocalyptic number.

1341231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889043120).

1341231320 is an abundant number, since it is smaller than the sum of its proper divisors (2436854920).

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

1341231320 is a wasteful number, since it uses less digits than its factorization.

1341231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1341231320 is about 36622.8251231387. The cubic root of 1341231320 is about 1102.8113541405.

Adding to 1341231320 its reverse (231321431), we get a palindrome (1572552751).

The spelling of 1341231320 in words is "one billion, three hundred forty-one million, two hundred thirty-one thousand, three hundred twenty".