1305434301242 has 32 divisors (see below), whose sum is σ = 1995172300800. Its totient is φ = 640524120768.

The previous prime is 1305434301233. The next prime is 1305434301263. The reversal of 1305434301242 is 2421034345031.

It is a junction number, because it is equal to n+sod(n) for n = 1305434301199 and 1305434301208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9428588 + ... + 9566040.

It is an arithmetic number, because the mean of its divisors is an integer number (62349134400).

Almost surely, 2^{1305434301242} is an apocalyptic number.

1305434301242 is a deficient number, since it is larger than the sum of its proper divisors (689737999558).

1305434301242 is a wasteful number, since it uses less digits than its factorization.

1305434301242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137990.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1305434301242 its reverse (2421034345031), we get a palindrome (3726468646273).

The spelling of 1305434301242 in words is "one trillion, three hundred five billion, four hundred thirty-four million, three hundred one thousand, two hundred forty-two".