1320342434 has 32 divisors (see below), whose sum is σ = 2198218176. Its totient is φ = 592058880.

The previous prime is 1320342403. The next prime is 1320342461. The reversal of 1320342434 is 4342430231.

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, 48929 + ... + 70955.

It is an arithmetic number, because the mean of its divisors is an integer number (68694318).

Almost surely, 2^1320342434 is an apocalyptic number.

1320342434 is a deficient number, since it is larger than the sum of its proper divisors (877875742).

1320342434 is a wasteful number, since it uses less digits than its factorization.

1320342434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22130.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1320342434 is about 36336.5165363990. The cubic root of 1320342434 is about 1097.0561600753.

Adding to 1320342434 its reverse (4342430231), we get a palindrome (5662772665).

The spelling of 1320342434 in words is "one billion, three hundred twenty million, three hundred forty-two thousand, four hundred thirty-four".