320143453110 has 384 divisors, whose sum is σ = 1027118776320. Its totient is φ = 70941505536.

The previous prime is 320143453079. The next prime is 320143453121. The reversal of 320143453110 is 11354341023.

It is a happy number.

320143453110 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 4 + 345 + 311 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12338731 + ... + 12364649.

It is an arithmetic number, because the mean of its divisors is an integer number (2674788480).

Almost surely, 2^320143453110 is an apocalyptic number.

320143453110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320143453110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513559388160).

320143453110 is an abundant number, since it is smaller than the sum of its proper divisors (706975323210).

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

320143453110 is a wasteful number, since it uses less digits than its factorization.

320143453110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25994 (or 25982 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 320143453110 its reverse (11354341023), we get a palindrome (331497794133).

The spelling of 320143453110 in words is "three hundred twenty billion, one hundred forty-three million, four hundred fifty-three thousand, one hundred ten".