231053015605 has 8 divisors (see below), whose sum is σ = 284026146264. Its totient is φ = 180334060800.

The previous prime is 231053015597. The next prime is 231053015617. The reversal of 231053015605 is 506510350132.

It can be written as a sum of positive squares in 4 ways, for example, as 12544448004 + 218508567601 = 112002^2 + 467449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231053015605 - 2³ = 231053015597 is a prime.

It is a Duffinian number.

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, 563543736 + ... + 563544145.

It is an arithmetic number, because the mean of its divisors is an integer number (35503268283).

Almost surely, 2^231053015605 is an apocalyptic number.

It is an amenable number.

231053015605 is a deficient number, since it is larger than the sum of its proper divisors (52973130659).

231053015605 is a wasteful number, since it uses less digits than its factorization.

231053015605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127087927.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 231053015605 its reverse (506510350132), we get a palindrome (737563365737).

The spelling of 231053015605 in words is "two hundred thirty-one billion, fifty-three million, fifteen thousand, six hundred five".