1342265231 has 2 divisors, whose sum is σ = 1342265232. Its totient is φ = 1342265230.

The previous prime is 1342265219. The next prime is 1342265233. The reversal of 1342265231 is 1325622431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342265231 is a prime.

It is a super-2 number, since 2×1342265231² = 3603351900702966722, which contains 22 as substring.

Together with 1342265233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342265194 and 1342265203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342265233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671132615 + 671132616.

It is an arithmetic number, because the mean of its divisors is an integer number (671132616).

Almost surely, 2^1342265231 is an apocalyptic number.

1342265231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342265231 is an equidigital number, since it uses as much as digits as its factorization.

1342265231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 1342265231 is about 36636.9380680209. The cubic root of 1342265231 is about 1103.0946549938.

Adding to 1342265231 its reverse (1325622431), we get a palindrome (2667887662).

The spelling of 1342265231 in words is "one billion, three hundred forty-two million, two hundred sixty-five thousand, two hundred thirty-one".