4312240357 has 2 divisors, whose sum is σ = 4312240358. Its totient is φ = 4312240356.

The previous prime is 4312240327. The next prime is 4312240381. The reversal of 4312240357 is 7530422134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4288416196 + 23824161 = 65486^2 + 4881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312240357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312240327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156120178 + 2156120179.

It is an arithmetic number, because the mean of its divisors is an integer number (2156120179).

Almost surely, 2^4312240357 is an apocalyptic number.

It is an amenable number.

4312240357 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312240357 is an equidigital number, since it uses as much as digits as its factorization.

4312240357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 4312240357 is about 65667.6507650456. The cubic root of 4312240357 is about 1627.6748507245.

The spelling of 4312240357 in words is "four billion, three hundred twelve million, two hundred forty thousand, three hundred fifty-seven".