231141223020 has 24 divisors (see below), whose sum is σ = 647195424624. Its totient is φ = 61637659456.

The previous prime is 231141223009. The next prime is 231141223031. The reversal of 231141223020 is 20322141132.

231141223020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231141223009) and next prime (231141223031).

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, 1926176799 + ... + 1926176918.

It is an arithmetic number, because the mean of its divisors is an integer number (26966476026).

Almost surely, 2^231141223020 is an apocalyptic number.

231141223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231141223020 is an abundant number, since it is smaller than the sum of its proper divisors (416054201604).

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

231141223020 is a wasteful number, since it uses less digits than its factorization.

231141223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852353729 (or 3852353727 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231141223020 its reverse (20322141132), we get a palindrome (251463364152).

The spelling of 231141223020 in words is "two hundred thirty-one billion, one hundred forty-one million, two hundred twenty-three thousand, twenty".