1303430345 has 16 divisors (see below), whose sum is σ = 1796043648. Its totient is φ = 889539840.

The previous prime is 1303430269. The next prime is 1303430369. The reversal of 1303430345 is 5430343031.

It is a happy number.

It is not a de Polignac number, because 1303430345 - 2¹² = 1303426249 is a prime.

It is a Curzon number.

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, 80864 + ... + 95633.

It is an arithmetic number, because the mean of its divisors is an integer number (112252728).

Almost surely, 2^1303430345 is an apocalyptic number.

It is an amenable number.

1303430345 is a deficient number, since it is larger than the sum of its proper divisors (492613303).

1303430345 is a wasteful number, since it uses less digits than its factorization.

1303430345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176720.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 1303430345 is about 36103.0517408155. The cubic root of 1303430345 is about 1092.3520025317.

Adding to 1303430345 its reverse (5430343031), we get a palindrome (6733773376).

The spelling of 1303430345 in words is "one billion, three hundred three million, four hundred thirty thousand, three hundred forty-five".