231011231010 has 64 divisors (see below), whose sum is σ = 642555224064. Its totient is φ = 52058865600.

The previous prime is 231011230973. The next prime is 231011231023. The reversal of 231011231010 is 10132110132.

It is a happy number.

231011231010 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 (15).

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 31 ways as a sum of consecutive naturals, for example, 7731946 + ... + 7761765.

It is an arithmetic number, because the mean of its divisors is an integer number (10039925376).

Almost surely, 2^231011231010 is an apocalyptic number.

231011231010 is an abundant number, since it is smaller than the sum of its proper divisors (411543993054).

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

231011231010 is a wasteful number, since it uses less digits than its factorization.

231011231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15493799.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231011231010 its reverse (10132110132), we get a palindrome (241143341142).

The spelling of 231011231010 in words is "two hundred thirty-one billion, eleven million, two hundred thirty-one thousand, ten".