4312530997 has 4 divisors (see below), whose sum is σ = 4312692396. Its totient is φ = 4312369600.

The previous prime is 4312530979. The next prime is 4312531007. The reversal of 4312530997 is 7990352134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7990352134 = 2 ⋅3995176067.

It can be written as a sum of positive squares in 2 ways, for example, as 2098922596 + 2213608401 = 45814^2 + 47049^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312530997 - 2²³ = 4304142389 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 (4312530907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30004 + ... + 97597.

It is an arithmetic number, because the mean of its divisors is an integer number (1078173099).

Almost surely, 2^4312530997 is an apocalyptic number.

It is an amenable number.

4312530997 is a deficient number, since it is larger than the sum of its proper divisors (161399).

4312530997 is a wasteful number, since it uses less digits than its factorization.

4312530997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161398.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 4312530997 is about 65669.8636895190. The cubic root of 4312530997 is about 1627.7114177022.

The spelling of 4312530997 in words is "four billion, three hundred twelve million, five hundred thirty thousand, nine hundred ninety-seven".