1301321131 has 8 divisors (see below), whose sum is σ = 1465417728. Its totient is φ = 1144857000.

The previous prime is 1301321129. The next prime is 1301321143. The reversal of 1301321131 is 1311231031.

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

It is a cyclic number.

It is not a de Polignac number, because 1301321131 - 2¹ = 1301321129 is a prime.

It is a super-2 number, since 2×1301321131² = 3386873371974238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301321111) 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, 1907755 + ... + 1908436.

It is an arithmetic number, because the mean of its divisors is an integer number (183177216).

Almost surely, 2^1301321131 is an apocalyptic number.

1301321131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301321131 is a deficient number, since it is larger than the sum of its proper divisors (164096597).

1301321131 is a wasteful number, since it uses less digits than its factorization.

1301321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816233.

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

The square root of 1301321131 is about 36073.8288929800. The cubic root of 1301321131 is about 1091.7624689098.

Adding to 1301321131 its reverse (1311231031), we get a palindrome (2612552162).

The spelling of 1301321131 in words is "one billion, three hundred one million, three hundred twenty-one thousand, one hundred thirty-one".