231436028784 has 40 divisors (see below), whose sum is σ = 597922083712. Its totient is φ = 77139449280.

The previous prime is 231436028743. The next prime is 231436028797. The reversal of 231436028784 is 487820634132.

231436028784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474987 + ... + 829749.

Almost surely, 2^231436028784 is an apocalyptic number.

231436028784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231436028784 is an abundant number, since it is smaller than the sum of its proper divisors (366486054928).

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

231436028784 is a wasteful number, since it uses less digits than its factorization.

231436028784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368365 (or 368359 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 231436028784 in words is "two hundred thirty-one billion, four hundred thirty-six million, twenty-eight thousand, seven hundred eighty-four".