1301328931 has 4 divisors (see below), whose sum is σ = 1487233072. Its totient is φ = 1115424792.

The previous prime is 1301328929. The next prime is 1301328953. The reversal of 1301328931 is 1398231031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1398231031 = 83 ⋅16846157.

It is a cyclic number.

It is not a de Polignac number, because 1301328931 - 2¹ = 1301328929 is a prime.

It is a super-2 number, since 2×1301328931² = 3386913973315205522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301328893 and 1301328902.

It is not an unprimeable number, because it can be changed into a prime (1301328901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92952060 + ... + 92952073.

It is an arithmetic number, because the mean of its divisors is an integer number (371808268).

Almost surely, 2^1301328931 is an apocalyptic number.

1301328931 is a deficient number, since it is larger than the sum of its proper divisors (185904141).

1301328931 is an equidigital number, since it uses as much as digits as its factorization.

1301328931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185904140.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1301328931 is about 36073.9370044358. The cubic root of 1301328931 is about 1091.7646502136.

Adding to 1301328931 its reverse (1398231031), we get a palindrome (2699559962).

The spelling of 1301328931 in words is "one billion, three hundred one million, three hundred twenty-eight thousand, nine hundred thirty-one".