1231010255 has 8 divisors (see below), whose sum is σ = 1541439072. Its totient is φ = 941990368.

The previous prime is 1231010233. The next prime is 1231010269. The reversal of 1231010255 is 5520101321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231010255 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, 5352104 + ... + 5352333.

It is an arithmetic number, because the mean of its divisors is an integer number (192679884).

Almost surely, 2^1231010255 is an apocalyptic number.

1231010255 is a deficient number, since it is larger than the sum of its proper divisors (310428817).

1231010255 is a wasteful number, since it uses less digits than its factorization.

1231010255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704465.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1231010255 is about 35085.7557279304. The cubic root of 1231010255 is about 1071.7345305812.

Adding to 1231010255 its reverse (5520101321), we get a palindrome (6751111576).

The spelling of 1231010255 in words is "one billion, two hundred thirty-one million, ten thousand, two hundred fifty-five".