231740028596 has 24 divisors (see below), whose sum is σ = 429857083656. Its totient is φ = 108938209280.

The previous prime is 231740028577. The next prime is 231740028623. The reversal of 231740028596 is 695820047132.

It can be written as a sum of positive squares in 4 ways, for example, as 93923860900 + 137816167696 = 306470^2 + 371236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231740028596.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746821 + ... + 1874796.

It is an arithmetic number, because the mean of its divisors is an integer number (17910711819).

It is a 2-persistent number, because it is pandigital, and so is 2⋅231740028596 = 463480057192, but 3⋅231740028596 = 695220085788 is not.

Almost surely, 2^231740028596 is an apocalyptic number.

It is an amenable number.

231740028596 is a deficient number, since it is larger than the sum of its proper divisors (198117055060).

231740028596 is a wasteful number, since it uses less digits than its factorization.

231740028596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622579 (or 3622577 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 231740028596 in words is "two hundred thirty-one billion, seven hundred forty million, twenty-eight thousand, five hundred ninety-six".