231245443344430 has 64 divisors (see below), whose sum is σ = 426152591504640. Its totient is φ = 90298124130816.

The previous prime is 231245443344401. The next prime is 231245443344451. The reversal of 231245443344430 is 34443344542132.

It is a super-2 number, since 2×231245443344430² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6528835261 + ... + 6528870679.

It is an arithmetic number, because the mean of its divisors is an integer number (6658634242260).

Almost surely, 2^{231245443344430} is an apocalyptic number.

231245443344430 is a deficient number, since it is larger than the sum of its proper divisors (194907148160210).

231245443344430 is a wasteful number, since it uses less digits than its factorization.

231245443344430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43265.

The product of its (nonzero) digits is 6635520, while the sum is 46.

Adding to 231245443344430 its reverse (34443344542132), we get a palindrome (265688787886562).

The spelling of 231245443344430 in words is "two hundred thirty-one trillion, two hundred forty-five billion, four hundred forty-three million, three hundred forty-four thousand, four hundred thirty".