231155245334200 has 96 divisors (see below), whose sum is σ = 620781626874960. Its totient is φ = 79111955609600.

The previous prime is 231155245334191. The next prime is 231155245334227. The reversal of 231155245334200 is 2433542551132.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3090273367 + ... + 3090348166.

Almost surely, 2^{231155245334200} is an apocalyptic number.

231155245334200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231155245334200 is an abundant number, since it is smaller than the sum of its proper divisors (389626381540760).

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

231155245334200 is a wasteful number, since it uses less digits than its factorization.

231155245334200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180621577 (or 6180621568 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 231155245334200 its reverse (2433542551132), we get a palindrome (233588787885332).

The spelling of 231155245334200 in words is "two hundred thirty-one trillion, one hundred fifty-five billion, two hundred forty-five million, three hundred thirty-four thousand, two hundred".