4312133231 has 8 divisors (see below), whose sum is σ = 5028727200. Its totient is φ = 3696113904.

The previous prime is 4312133207. The next prime is 4312133233. The reversal of 4312133231 is 1323312134.

It is not a de Polignac number, because 4312133231 - 2¹⁸ = 4311871087 is a prime.

It is a super-2 number, since 2×4312133231² = 37188986003788998722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4312133197 and 4312133206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312133233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6285566 + ... + 6286251.

It is an arithmetic number, because the mean of its divisors is an integer number (628590900).

Almost surely, 2^4312133231 is an apocalyptic number.

4312133231 is a deficient number, since it is larger than the sum of its proper divisors (716593969).

4312133231 is an equidigital number, since it uses as much as digits as its factorization.

4312133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571838 (or 12571824 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 4312133231 is about 65666.8350920006. The cubic root of 4312133231 is about 1627.6613722133.

Adding to 4312133231 its reverse (1323312134), we get a palindrome (5635445365).

The spelling of 4312133231 in words is "four billion, three hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".