231334431431304 has 32 divisors (see below), whose sum is σ = 582889905976320. Its totient is φ = 76504300157376.

The previous prime is 231334431431297. The next prime is 231334431431339. The reversal of 231334431431304 is 403134134433132.

It is a super-2 number, since 2×231334431431304² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37948558539 + ... + 37948564634.

It is an arithmetic number, because the mean of its divisors is an integer number (18215309561760).

Almost surely, 2^{231334431431304} is an apocalyptic number.

231334431431304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231334431431304 is an abundant number, since it is smaller than the sum of its proper divisors (351555474545016).

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

231334431431304 is a wasteful number, since it uses less digits than its factorization.

231334431431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75897123309 (or 75897123305 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 231334431431304 its reverse (403134134433132), we get a palindrome (634468565864436).

The spelling of 231334431431304 in words is "two hundred thirty-one trillion, three hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-one thousand, three hundred four".