1320100430 has 128 divisors (see below), whose sum is σ = 2874769920. Its totient is φ = 431101440.

The previous prime is 1320100403. The next prime is 1320100447. The reversal of 1320100430 is 340010231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3324992 + ... + 3325388.

It is an arithmetic number, because the mean of its divisors is an integer number (22459140).

Almost surely, 2^1320100430 is an apocalyptic number.

1320100430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320100430 is an abundant number, since it is smaller than the sum of its proper divisors (1554669490).

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

1320100430 is a wasteful number, since it uses less digits than its factorization.

1320100430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1320100430 is about 36333.1863452684. The cubic root of 1320100430 is about 1096.9891299387.

Adding to 1320100430 its reverse (340010231), we get a palindrome (1660110661).

The spelling of 1320100430 in words is "one billion, three hundred twenty million, one hundred thousand, four hundred thirty".