1341345231 has 32 divisors (see below), whose sum is σ = 2065059840. Its totient is φ = 859572000.

The previous prime is 1341345227. The next prime is 1341345251. The reversal of 1341345231 is 1325431431.

It is a happy number.

1341345231 is a `hidden beast` number, since 1 + 3 + 4 + 134 + 523 + 1 = 666.

It is not a de Polignac number, because 1341345231 - 2² = 1341345227 is a prime.

It is a super-2 number, since 2×1341345231² = 3598414057452886722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1341345195 and 1341345204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341345221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121081 + ... + 131693.

It is an arithmetic number, because the mean of its divisors is an integer number (64533120).

Almost surely, 2^1341345231 is an apocalyptic number.

1341345231 is a deficient number, since it is larger than the sum of its proper divisors (723714609).

1341345231 is a wasteful number, since it uses less digits than its factorization.

1341345231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804 (or 10798 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1341345231 is about 36624.3802814464. The cubic root of 1341345231 is about 1102.8425739075.

Adding to 1341345231 its reverse (1325431431), we get a palindrome (2666776662).

The spelling of 1341345231 in words is "one billion, three hundred forty-one million, three hundred forty-five thousand, two hundred thirty-one".