231024135648 has 24 divisors (see below), whose sum is σ = 606438356328. Its totient is φ = 77008045184.

The previous prime is 231024135623. The next prime is 231024135659. The reversal of 231024135648 is 846531420132.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203250611 + ... + 1203250802.

It is an arithmetic number, because the mean of its divisors is an integer number (25268264847).

Almost surely, 2^231024135648 is an apocalyptic number.

It is an amenable number.

231024135648 is an abundant number, since it is smaller than the sum of its proper divisors (375414220680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231024135648 is a wasteful number, since it uses less digits than its factorization.

231024135648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406501426 (or 2406501418 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 231024135648 in words is "two hundred thirty-one billion, twenty-four million, one hundred thirty-five thousand, six hundred forty-eight".