4312545321 has 48 divisors (see below), whose sum is σ = 6778100736. Its totient is φ = 2431666944.

The previous prime is 4312545257. The next prime is 4312545331. The reversal of 4312545321 is 1235452134.

It is not a de Polignac number, because 4312545321 - 2⁶ = 4312545257 is a prime.

It is a super-3 number, since 3×4312545321³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4312545331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3966840 + ... + 3967926.

It is an arithmetic number, because the mean of its divisors is an integer number (141210432).

Almost surely, 2^4312545321 is an apocalyptic number.

It is an amenable number.

4312545321 is a deficient number, since it is larger than the sum of its proper divisors (2465555415).

4312545321 is a wasteful number, since it uses less digits than its factorization.

4312545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1431 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 4312545321 is about 65669.9727501086. The cubic root of 4312545321 is about 1627.7132198390.

Adding to 4312545321 its reverse (1235452134), we get a palindrome (5547997455).

The spelling of 4312545321 in words is "four billion, three hundred twelve million, five hundred forty-five thousand, three hundred twenty-one".