1301523330 has 32 divisors (see below), whose sum is σ = 3128845824. Its totient is φ = 346496256.

The previous prime is 1301523317. The next prime is 1301523331. The reversal of 1301523330 is 333251031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1301523297 and 1301523306.

It is not an unprimeable number, because it can be changed into a prime (1301523331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17527 + ... + 53946.

It is an arithmetic number, because the mean of its divisors is an integer number (97776432).

Almost surely, 2^1301523330 is an apocalyptic number.

1301523330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301523330 is an abundant number, since it is smaller than the sum of its proper divisors (1827322494).

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

1301523330 is a wasteful number, since it uses less digits than its factorization.

1301523330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72090.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1301523330 is about 36076.6313560454. The cubic root of 1301523330 is about 1091.8190119213.

Adding to 1301523330 its reverse (333251031), we get a palindrome (1634774361).

The spelling of 1301523330 in words is "one billion, three hundred one million, five hundred twenty-three thousand, three hundred thirty".