231201300 has 72 divisors (see below), whose sum is σ = 729765792. Its totient is φ = 56048000.

The previous prime is 231201283. The next prime is 231201301. The reversal of 231201300 is 3102132.

It is a happy number.

It is a super-2 number, since 2×231201300² = 106908082243380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231201301) 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, 31731 + ... + 38330.

It is an arithmetic number, because the mean of its divisors is an integer number (10135636).

Almost surely, 2^231201300 is an apocalyptic number.

231201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231201300 is an abundant number, since it is smaller than the sum of its proper divisors (498564492).

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

231201300 is a wasteful number, since it uses less digits than its factorization.

231201300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70089 (or 70082 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 231201300 is about 15205.3049952969. The cubic root of 231201300 is about 613.7574223810.

Adding to 231201300 its reverse (3102132), we get a palindrome (234303432).

The spelling of 231201300 in words is "two hundred thirty-one million, two hundred one thousand, three hundred".