1342312457 has 2 divisors, whose sum is σ = 1342312458. Its totient is φ = 1342312456.

The previous prime is 1342312417. The next prime is 1342312561. The reversal of 1342312457 is 7542132431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322340496 + 19971961 = 36364^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342312457 - 2⁸ = 1342312201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342312417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671156228 + 671156229.

It is an arithmetic number, because the mean of its divisors is an integer number (671156229).

Almost surely, 2^1342312457 is an apocalyptic number.

It is an amenable number.

1342312457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342312457 is an equidigital number, since it uses as much as digits as its factorization.

1342312457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 1342312457 is about 36637.5825758196. The cubic root of 1342312457 is about 1103.1075918650.

Adding to 1342312457 its reverse (7542132431), we get a palindrome (8884444888).

The spelling of 1342312457 in words is "one billion, three hundred forty-two million, three hundred twelve thousand, four hundred fifty-seven".