231201331300 has 72 divisors (see below), whose sum is σ = 519366758400. Its totient is φ = 89229678720.

The previous prime is 231201331297. The next prime is 231201331303. The reversal of 231201331300 is 3133102132.

It is an interprime number because it is at equal distance from previous prime (231201331297) and next prime (231201331303).

It is not an unprimeable number, because it can be changed into a prime (231201331303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4273821 + ... + 4327579.

It is an arithmetic number, because the mean of its divisors is an integer number (7213427200).

Almost surely, 2^231201331300 is an apocalyptic number.

231201331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231201331300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259683379200).

231201331300 is an abundant number, since it is smaller than the sum of its proper divisors (288165427100).

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

231201331300 is a wasteful number, since it uses less digits than its factorization.

231201331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55285 (or 55278 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231201331300 its reverse (3133102132), we get a palindrome (234334433432).

The spelling of 231201331300 in words is "two hundred thirty-one billion, two hundred one million, three hundred thirty-one thousand, three hundred".