231434341212144 has 120 divisors (see below), whose sum is σ = 708606147531600. Its totient is φ = 64876472973312.

The previous prime is 231434341212133. The next prime is 231434341212227. The reversal of 231434341212144 is 441212143434132.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928167369 + ... + 928416680.

It is an arithmetic number, because the mean of its divisors is an integer number (5905051229430).

Almost surely, 2^{231434341212144} is an apocalyptic number.

231434341212144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231434341212144 is an abundant number, since it is smaller than the sum of its proper divisors (477171806319456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231434341212144 is a wasteful number, since it uses less digits than its factorization.

231434341212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856584127 (or 1856584114 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

Adding to 231434341212144 its reverse (441212143434132), we get a palindrome (672646484646276).

The spelling of 231434341212144 in words is "two hundred thirty-one trillion, four hundred thirty-four billion, three hundred forty-one million, two hundred twelve thousand, one hundred forty-four".