231464464117 has 2 divisors, whose sum is σ = 231464464118. Its totient is φ = 231464464116.

The previous prime is 231464464109. The next prime is 231464464177. The reversal of 231464464117 is 711464464132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211635881521 + 19828582596 = 460039^2 + 140814^2 .

It is a cyclic number.

It is not a de Polignac number, because 231464464117 - 2³ = 231464464109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231464464177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115732232058 + 115732232059.

It is an arithmetic number, because the mean of its divisors is an integer number (115732232059).

Almost surely, 2^231464464117 is an apocalyptic number.

It is an amenable number.

231464464117 is a deficient number, since it is larger than the sum of its proper divisors (1).

231464464117 is an equidigital number, since it uses as much as digits as its factorization.

231464464117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The spelling of 231464464117 in words is "two hundred thirty-one billion, four hundred sixty-four million, four hundred sixty-four thousand, one hundred seventeen".