231434002211043 has 4 divisors (see below), whose sum is σ = 308578669614728. Its totient is φ = 154289334807360.

The previous prime is 231434002211039. The next prime is 231434002211051. The reversal of 231434002211043 is 340112200434132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231434002211043 - 2² = 231434002211039 is a prime.

It is a super-2 number, since 2×231434002211043² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231434002211043.

It is not an unprimeable number, because it can be changed into a prime (231434002218043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38572333701838 + ... + 38572333701843.

It is an arithmetic number, because the mean of its divisors is an integer number (77144667403682).

Almost surely, 2^{231434002211043} is an apocalyptic number.

231434002211043 is a deficient number, since it is larger than the sum of its proper divisors (77144667403685).

231434002211043 is an equidigital number, since it uses as much as digits as its factorization.

231434002211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77144667403684.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 231434002211043 its reverse (340112200434132), we get a palindrome (571546202645175).

The spelling of 231434002211043 in words is "two hundred thirty-one trillion, four hundred thirty-four billion, two million, two hundred eleven thousand, forty-three".