3126231 has 6 divisors (see below), whose sum is σ = 4515680. Its totient is φ = 2084148.

The previous prime is 3126223. The next prime is 3126239. The reversal of 3126231 is 1326213.

It is an interprime number because it is at equal distance from previous prime (3126223) and next prime (3126239).

It is not a de Polignac number, because 3126231 - 2³ = 3126223 is a prime.

It is a super-2 number, since 2×3126231² = 19546640530722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173671 + ... + 173688.

Almost surely, 2^3126231 is an apocalyptic number.

3126231 is a deficient number, since it is larger than the sum of its proper divisors (1389449).

3126231 is a wasteful number, since it uses less digits than its factorization.

3126231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347365 (or 347362 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 3126231 is about 1768.1150980635. The cubic root of 3126231 is about 146.2200815416.

Subtracting from 3126231 its sum of digits (18), we obtain a palindrome (3126213).

It can be divided in two parts, 31 and 26231, that added together give a palindrome (26262).

The spelling of 3126231 in words is "three million, one hundred twenty-six thousand, two hundred thirty-one".