231078355200 has 1620 divisors, whose sum is σ = 1085561425872. Its totient is φ = 47958220800.

The previous prime is 231078355171. The next prime is 231078355213. The reversal of 231078355200 is 2553870132.

It is a happy number.

231078355200 is a `hidden beast` number, since 2 + 31 + 0 + 78 + 3 + 552 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1620).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 279417187 + ... + 279418013.

Almost surely, 2^231078355200 is an apocalyptic number.

231078355200 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 231078355200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542780712936).

231078355200 is an abundant number, since it is smaller than the sum of its proper divisors (854483070672).

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

231078355200 is a wasteful number, since it uses less digits than its factorization.

231078355200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 231078355200 in words is "two hundred thirty-one billion, seventy-eight million, three hundred fifty-five thousand, two hundred".