1301323111 has 8 divisors (see below), whose sum is σ = 1440814464. Its totient is φ = 1165363320.

The previous prime is 1301323069. The next prime is 1301323117. The reversal of 1301323111 is 1113231031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1301323111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301323117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882115 + ... + 883588.

It is an arithmetic number, because the mean of its divisors is an integer number (180101808).

Almost surely, 2^1301323111 is an apocalyptic number.

1301323111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301323111 is a deficient number, since it is larger than the sum of its proper divisors (139491353).

1301323111 is a wasteful number, since it uses less digits than its factorization.

1301323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765781.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1301323111 is about 36073.8563366879. The cubic root of 1301323111 is about 1091.7630226262.

Adding to 1301323111 its reverse (1113231031), we get a palindrome (2414554142).

The spelling of 1301323111 in words is "one billion, three hundred one million, three hundred twenty-three thousand, one hundred eleven".