231324017977 has 16 divisors (see below), whose sum is σ = 261028107648. Its totient is φ = 203398398720.

The previous prime is 231324017959. The next prime is 231324018001. The reversal of 231324017977 is 779710423132.

It is not a de Polignac number, because 231324017977 - 2⁷ = 231324017849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231324017957) 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, 1533043 + ... + 1677160.

It is an arithmetic number, because the mean of its divisors is an integer number (16314256728).

Almost surely, 2^231324017977 is an apocalyptic number.

It is an amenable number.

231324017977 is a deficient number, since it is larger than the sum of its proper divisors (29704089671).

231324017977 is a wasteful number, since it uses less digits than its factorization.

231324017977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210480.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 231324017977 in words is "two hundred thirty-one billion, three hundred twenty-four million, seventeen thousand, nine hundred seventy-seven".