1343204131 has 4 divisors (see below), whose sum is σ = 1347495832. Its totient is φ = 1338912432.

The previous prime is 1343204113. The next prime is 1343204171. The reversal of 1343204131 is 1314023431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1343204131 - 2⁵ = 1343204099 is a prime.

It is a super-2 number, since 2×1343204131² = 3608394675070930322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343204111) 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, 2145381 + ... + 2146006.

It is an arithmetic number, because the mean of its divisors is an integer number (336873958).

Almost surely, 2^1343204131 is an apocalyptic number.

1343204131 is a deficient number, since it is larger than the sum of its proper divisors (4291701).

1343204131 is an equidigital number, since it uses as much as digits as its factorization.

1343204131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291700.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1343204131 is about 36649.7493988704. The cubic root of 1343204131 is about 1103.3517959710.

Adding to 1343204131 its reverse (1314023431), we get a palindrome (2657227562).

The spelling of 1343204131 in words is "one billion, three hundred forty-three million, two hundred four thousand, one hundred thirty-one".