1302307830 has 48 divisors (see below), whose sum is σ = 3495233664. Its totient is φ = 336078720.

The previous prime is 1302307753. The next prime is 1302307859. The reversal of 1302307830 is 387032031.

It is a junction number, because it is equal to n+sod(n) for n = 1302307794 and 1302307803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230599 + ... + 236178.

It is an arithmetic number, because the mean of its divisors is an integer number (72817368).

Almost surely, 2^1302307830 is an apocalyptic number.

1302307830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302307830 is an abundant number, since it is smaller than the sum of its proper divisors (2192925834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302307830 is a wasteful number, since it uses less digits than its factorization.

1302307830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466821 (or 466818 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1302307830 is about 36087.5024073432. The cubic root of 1302307830 is about 1092.0383344028.

Adding to 1302307830 its reverse (387032031), we get a palindrome (1689339861).

The spelling of 1302307830 in words is "one billion, three hundred two million, three hundred seven thousand, eight hundred thirty".