1343231142 has 128 divisors (see below), whose sum is σ = 3181068288. Its totient is φ = 374035200.

The previous prime is 1343231069. The next prime is 1343231161. The reversal of 1343231142 is 2411323431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4780042 + ... + 4780322.

It is an arithmetic number, because the mean of its divisors is an integer number (24852096).

Almost surely, 2^1343231142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343231142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590534144).

1343231142 is an abundant number, since it is smaller than the sum of its proper divisors (1837837146).

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

1343231142 is a wasteful number, since it uses less digits than its factorization.

1343231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 1728, while the sum is 24.

The square root of 1343231142 is about 36650.1178988554. The cubic root of 1343231142 is about 1103.3591918276.

Adding to 1343231142 its reverse (2411323431), we get a palindrome (3754554573).

The spelling of 1343231142 in words is "one billion, three hundred forty-three million, two hundred thirty-one thousand, one hundred forty-two".