201032311320 has 128 divisors (see below), whose sum is σ = 678181593600. Its totient is φ = 52962705792.

The previous prime is 201032311313. The next prime is 201032311351. The reversal of 201032311320 is 23113230102.

201032311320 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 32 + 311 + 320 = 666.

201032311320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201032311320² (a number of 23 digits) contains 22 as substring.

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 = 201032311293 and 201032311302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031692 + ... + 1210971.

It is an arithmetic number, because the mean of its divisors is an integer number (5298293700).

Almost surely, 2^201032311320 is an apocalyptic number.

201032311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201032311320 is an abundant number, since it is smaller than the sum of its proper divisors (477149282280).

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

201032311320 is a wasteful number, since it uses less digits than its factorization.

201032311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242766 (or 2242756 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201032311320 its reverse (23113230102), we get a palindrome (224145541422).

The spelling of 201032311320 in words is "two hundred one billion, thirty-two million, three hundred eleven thousand, three hundred twenty".