231210031200 has 72 divisors (see below), whose sum is σ = 752588659368. Its totient is φ = 61656007680.

The previous prime is 231210031189. The next prime is 231210031201. The reversal of 231210031200 is 2130012132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231210031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231210031201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48166357 + ... + 48171156.

It is an arithmetic number, because the mean of its divisors is an integer number (10452620269).

Almost surely, 2^231210031200 is an apocalyptic number.

231210031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231210031200 is an abundant number, since it is smaller than the sum of its proper divisors (521378628168).

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

231210031200 is a wasteful number, since it uses less digits than its factorization.

231210031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96337536 (or 96337523 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231210031200 its reverse (2130012132), we get a palindrome (233340043332).

The spelling of 231210031200 in words is "two hundred thirty-one billion, two hundred ten million, thirty-one thousand, two hundred".