231043010321433 has 16 divisors (see below), whose sum is σ = 313283478378240. Its totient is φ = 151415688244944.

The previous prime is 231043010321407. The next prime is 231043010321437. The reversal of 231043010321433 is 334123010340132.

It is not a de Polignac number, because 231043010321433 - 2¹² = 231043010317337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231043010321433.

It is not an unprimeable number, because it can be changed into a prime (231043010321437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531210 + ... + 21550652.

It is an arithmetic number, because the mean of its divisors is an integer number (19580217398640).

Almost surely, 2^{231043010321433} is an apocalyptic number.

It is an amenable number.

231043010321433 is a deficient number, since it is larger than the sum of its proper divisors (82240468056807).

231043010321433 is a wasteful number, since it uses less digits than its factorization.

231043010321433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20084708.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 231043010321433 its reverse (334123010340132), we get a palindrome (565166020661565).

The spelling of 231043010321433 in words is "two hundred thirty-one trillion, forty-three billion, ten million, three hundred twenty-one thousand, four hundred thirty-three".