1343442031 has 8 divisors (see below), whose sum is σ = 1384853760. Its totient is φ = 1302564888.

The previous prime is 1343442019. The next prime is 1343442041. The reversal of 1343442031 is 1302443431.

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 1343442031 - 2⁷ = 1343441903 is a prime.

It is a super-2 number, since 2×1343442031² = 3609672981314809922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343441987 and 1343442005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343442041) 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, 128541 + ... + 138598.

It is an arithmetic number, because the mean of its divisors is an integer number (173106720).

Almost surely, 2^1343442031 is an apocalyptic number.

1343442031 is a deficient number, since it is larger than the sum of its proper divisors (41411729).

1343442031 is a wasteful number, since it uses less digits than its factorization.

1343442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267293.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1343442031 is about 36652.9948435322. The cubic root of 1343442031 is about 1103.4169317387.

Adding to 1343442031 its reverse (1302443431), we get a palindrome (2645885462).

The spelling of 1343442031 in words is "one billion, three hundred forty-three million, four hundred forty-two thousand, thirty-one".