3431021112123 has 8 divisors (see below), whose sum is σ = 4990576163136. Its totient is φ = 2079406734600.

The previous prime is 3431021112109. The next prime is 3431021112143. The reversal of 3431021112123 is 3212111201343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3431021112123 - 2¹⁰ = 3431021111099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3431021112093 and 3431021112102.

It is not an unprimeable number, because it can be changed into a prime (3431021112143) 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, 51985168333 + ... + 51985168398.

It is an arithmetic number, because the mean of its divisors is an integer number (623822020392).

Almost surely, 2^{3431021112123} is an apocalyptic number.

3431021112123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3431021112123 is a deficient number, since it is larger than the sum of its proper divisors (1559555051013).

3431021112123 is a wasteful number, since it uses less digits than its factorization.

3431021112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103970336745.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 3431021112123 its reverse (3212111201343), we get a palindrome (6643132313466).

The spelling of 3431021112123 in words is "three trillion, four hundred thirty-one billion, twenty-one million, one hundred twelve thousand, one hundred twenty-three".