231614947647801 has 21 divisors (see below), whose sum is σ = 347264179567669. Its totient is φ = 154409691158316.

The previous prime is 231614947647779. The next prime is 231614947647841. The reversal of 231614947647801 is 108746749416132.

It is a happy number.

The square root of 231614947647801 is 15218901.

It is a perfect power (a square), and thus also a powerful number.

231614947647801 is a `hidden beast` number, since 2 + 3 + 1 + 6 + 1 + 4 + 94 + 76 + 478 + 0 + 1 = 666.

It is not a de Polignac number, because 231614947647801 - 2¹³ = 231614947639609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231614947647841) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 410628496 + ... + 411192158.

Almost surely, 2^{231614947647801} is an apocalyptic number.

231614947647801 is the 15218901-st square number.

231614947647801 is the 7609451-st centered octagonal number.

It is an amenable number.

231614947647801 is a deficient number, since it is larger than the sum of its proper divisors (115649231919868).

231614947647801 is an frugal number, since it uses more digits than its factorization.

231614947647801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127344 (or 563666 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 231614947647801 in words is "two hundred thirty-one trillion, six hundred fourteen billion, nine hundred forty-seven million, six hundred forty-seven thousand, eight hundred one".