1301533430 has 32 divisors (see below), whose sum is σ = 2588428224. Its totient is φ = 468683776.

The previous prime is 1301533399. The next prime is 1301533433. The reversal of 1301533430 is 343351031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1301533396 and 1301533405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301533433) 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, 162527 + ... + 170346.

It is an arithmetic number, because the mean of its divisors is an integer number (80888382).

Almost surely, 2^1301533430 is an apocalyptic number.

1301533430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301533430 is a deficient number, since it is larger than the sum of its proper divisors (1286894794).

1301533430 is a wasteful number, since it uses less digits than its factorization.

1301533430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332920.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1301533430 is about 36076.7713355838. The cubic root of 1301533430 is about 1091.8218361358.

Adding to 1301533430 its reverse (343351031), we get a palindrome (1644884461).

The spelling of 1301533430 in words is "one billion, three hundred one million, five hundred thirty-three thousand, four hundred thirty".