2401511321 has 16 divisors (see below), whose sum is σ = 2653353600. Its totient is φ = 2173382640.

The previous prime is 2401511309. The next prime is 2401511377. The reversal of 2401511321 is 1231151042.

It is not a de Polignac number, because 2401511321 - 2¹⁴ = 2401494937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401511293 and 2401511302.

It is not an unprimeable number, because it can be changed into a prime (2401511221) 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, 300860 + ... + 308738.

It is an arithmetic number, because the mean of its divisors is an integer number (165834600).

Almost surely, 2^2401511321 is an apocalyptic number.

It is an amenable number.

2401511321 is a deficient number, since it is larger than the sum of its proper divisors (251842279).

2401511321 is an equidigital number, since it uses as much as digits as its factorization.

2401511321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141 (or 8119 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2401511321 is about 49005.2172834689. The cubic root of 2401511321 is about 1339.1468767705.

Adding to 2401511321 its reverse (1231151042), we get a palindrome (3632662363).

The spelling of 2401511321 in words is "two billion, four hundred one million, five hundred eleven thousand, three hundred twenty-one".