1301322331 has 6 divisors (see below), whose sum is σ = 1373418132. Its totient is φ = 1232831340.

The previous prime is 1301322317. The next prime is 1301322361. The reversal of 1301322331 is 1332231031.

It is not a de Polignac number, because 1301322331 - 2⁷ = 1301322203 is a prime.

It is a super-2 number, since 2×1301322331² = 3386879618318547122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301322299 and 1301322308.

It is not an unprimeable number, because it can be changed into a prime (1301322361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1802025 + ... + 1802746.

It is an arithmetic number, because the mean of its divisors is an integer number (228903022).

Almost surely, 2^1301322331 is an apocalyptic number.

1301322331 is a deficient number, since it is larger than the sum of its proper divisors (72095801).

1301322331 is an equidigital number, since it uses as much as digits as its factorization.

1301322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604809 (or 3604790 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1301322331 is about 36073.8455255328. The cubic root of 1301322331 is about 1091.7628044956.

Adding to 1301322331 its reverse (1332231031), we get a palindrome (2633553362).

It can be divided in two parts, 13013 and 22331, that added together give a square (35344 = 188²).

The spelling of 1301322331 in words is "one billion, three hundred one million, three hundred twenty-two thousand, three hundred thirty-one".