231301331331343 has 64 divisors (see below), whose sum is σ = 309340404244480. Its totient is φ = 167776254374400.

The previous prime is 231301331331313. The next prime is 231301331331353. The reversal of 231301331331343 is 343133133103132.

It is a de Polignac number, because none of the positive numbers 2^k-231301331331343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231301331331299 and 231301331331308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301331331313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1649760721 + ... + 1649900917.

It is an arithmetic number, because the mean of its divisors is an integer number (4833443816320).

Almost surely, 2^{231301331331343} is an apocalyptic number.

231301331331343 is a deficient number, since it is larger than the sum of its proper divisors (78039072913137).

231301331331343 is a wasteful number, since it uses less digits than its factorization.

231301331331343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171048.

The product of its (nonzero) digits is 52488, while the sum is 34.

Adding to 231301331331343 its reverse (343133133103132), we get a palindrome (574434464434475).

The spelling of 231301331331343 in words is "two hundred thirty-one trillion, three hundred one billion, three hundred thirty-one million, three hundred thirty-one thousand, three hundred forty-three".