4315231 has 4 divisors (see below), whose sum is σ = 4454464. Its totient is φ = 4176000.

The previous prime is 4315219. The next prime is 4315243. The reversal of 4315231 is 1325134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1325134 = 2 ⋅662567.

It is an interprime number because it is at equal distance from previous prime (4315219) and next prime (4315243).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4315231 is a prime.

It is a super-2 number, since 2×4315231² = 37242437166722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4315199 and 4315208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4315931) 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, 69570 + ... + 69631.

It is an arithmetic number, because the mean of its divisors is an integer number (1113616).

Almost surely, 2^4315231 is an apocalyptic number.

4315231 is a deficient number, since it is larger than the sum of its proper divisors (139233).

4315231 is a wasteful number, since it uses less digits than its factorization.

4315231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139232.

The product of its digits is 360, while the sum is 19.

The square root of 4315231 is about 2077.3134091899. The cubic root of 4315231 is about 162.8051041066.

The spelling of 4315231 in words is "four million, three hundred fifteen thousand, two hundred thirty-one".