231322101120 has 384 divisors, whose sum is σ = 879139591200. Its totient is φ = 55580098560.

The previous prime is 231322101083. The next prime is 231322101137. The reversal of 231322101120 is 21101223132.

231322101120 is a `hidden beast` number, since 231 + 322 + 1 + 0 + 112 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231322101093 and 231322101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7143526 + ... + 7175834.

Almost surely, 2^231322101120 is an apocalyptic number.

231322101120 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 231322101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439569795600).

231322101120 is an abundant number, since it is smaller than the sum of its proper divisors (647817490080).

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

231322101120 is a wasteful number, since it uses less digits than its factorization.

231322101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32458 (or 32443 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231322101120 its reverse (21101223132), we get a palindrome (252423324252).

The spelling of 231322101120 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred one thousand, one hundred twenty".