1343142131 has 4 divisors (see below), whose sum is σ = 1352037264. Its totient is φ = 1334247000.

The previous prime is 1343142113. The next prime is 1343142133. The reversal of 1343142131 is 1312413431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312413431 = 7 ⋅187487633.

It is a cyclic number.

It is not a de Polignac number, because 1343142131 - 2⁶ = 1343142067 is a prime.

It is a super-2 number, since 2×1343142131² = 3608061568134442322, 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 = 1343142097 and 1343142106.

It is not an unprimeable number, because it can be changed into a prime (1343142133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4447340 + ... + 4447641.

It is an arithmetic number, because the mean of its divisors is an integer number (338009316).

Almost surely, 2^1343142131 is an apocalyptic number.

1343142131 is a deficient number, since it is larger than the sum of its proper divisors (8895133).

1343142131 is an equidigital number, since it uses as much as digits as its factorization.

1343142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8895132.

The product of its digits is 864, while the sum is 23.

The square root of 1343142131 is about 36648.9035443081. The cubic root of 1343142131 is about 1103.3348194339.

Adding to 1343142131 its reverse (1312413431), we get a palindrome (2655555562).

The spelling of 1343142131 in words is "one billion, three hundred forty-three million, one hundred forty-two thousand, one hundred thirty-one".