1341223131 has 4 divisors (see below), whose sum is σ = 1788297512. Its totient is φ = 894148752.

The previous prime is 1341223123. The next prime is 1341223139. The reversal of 1341223131 is 1313221431.

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

It is an interprime number because it is at equal distance from previous prime (1341223123) and next prime (1341223139).

It is not a de Polignac number, because 1341223131 - 2³ = 1341223123 is a prime.

It is a super-2 number, since 2×1341223131² = 3597758974258886322, 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 = 1341223098 and 1341223107.

It is not an unprimeable number, because it can be changed into a prime (1341223139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223537186 + ... + 223537191.

It is an arithmetic number, because the mean of its divisors is an integer number (447074378).

Almost surely, 2^1341223131 is an apocalyptic number.

1341223131 is a deficient number, since it is larger than the sum of its proper divisors (447074381).

1341223131 is an equidigital number, since it uses as much as digits as its factorization.

1341223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447074380.

The product of its digits is 432, while the sum is 21.

The square root of 1341223131 is about 36622.7133211072. The cubic root of 1341223131 is about 1102.8091097003.

Adding to 1341223131 its reverse (1313221431), we get a palindrome (2654444562).

The spelling of 1341223131 in words is "one billion, three hundred forty-one million, two hundred twenty-three thousand, one hundred thirty-one".