4312321032031 has 4 divisors (see below), whose sum is σ = 4312341481552. Its totient is φ = 4312300582512.

The previous prime is 4312321032029. The next prime is 4312321032067. The reversal of 4312321032031 is 1302301232134.

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 4312321032031 - 2¹ = 4312321032029 is a prime.

It is a super-2 number, since 2×4312321032031² (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 = 4312321031987 and 4312321032005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312321032001) 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, 9905115 + ... + 10331308.

It is an arithmetic number, because the mean of its divisors is an integer number (1078085370388).

Almost surely, 2^{4312321032031} is an apocalyptic number.

4312321032031 is a deficient number, since it is larger than the sum of its proper divisors (20449521).

4312321032031 is a wasteful number, since it uses less digits than its factorization.

4312321032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20449520.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 4312321032031 its reverse (1302301232134), we get a palindrome (5614622264165).

The spelling of 4312321032031 in words is "four trillion, three hundred twelve billion, three hundred twenty-one million, thirty-two thousand, thirty-one".