4312000003231 has 4 divisors (see below), whose sum is σ = 4393358493912. Its totient is φ = 4230641512552.

The previous prime is 4312000003211. The next prime is 4312000003243. The reversal of 4312000003231 is 1323000002134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4312000003231 - 2³⁹ = 3762244189343 is a prime.

It is a super-2 number, since 2×4312000003231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4312000003199 and 4312000003208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312000003211) 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, 40679245261 + ... + 40679245366.

It is an arithmetic number, because the mean of its divisors is an integer number (1098339623478).

Almost surely, 2^{4312000003231} is an apocalyptic number.

4312000003231 is a deficient number, since it is larger than the sum of its proper divisors (81358490681).

4312000003231 is an equidigital number, since it uses as much as digits as its factorization.

4312000003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81358490680.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 4312000003231 its reverse (1323000002134), we get a palindrome (5635000005365).

The spelling of 4312000003231 in words is "four trillion, three hundred twelve billion, three thousand, two hundred thirty-one".