231323313301020 has 48 divisors (see below), whose sum is σ = 719672530271520. Its totient is φ = 61686216880128.

The previous prime is 231323313300977. The next prime is 231323313301039. The reversal of 231323313301020 is 20103313323132.

231323313301020 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 2 + 331 + 3 + 301 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214188252517 + ... + 214188253596.

It is an arithmetic number, because the mean of its divisors is an integer number (14993177713990).

Almost surely, 2^{231323313301020} is an apocalyptic number.

231323313301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231323313301020 is an abundant number, since it is smaller than the sum of its proper divisors (488349216970500).

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

231323313301020 is a wasteful number, since it uses less digits than its factorization.

231323313301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428376506131 (or 428376506123 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 231323313301020 its reverse (20103313323132), we get a palindrome (251426626624152).

The spelling of 231323313301020 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred thirteen million, three hundred one thousand, twenty".